Elementary Statistics (13th Edition)
Verified Answer ✓
; Finding the probability of event A. ; P(A) = ... more
Verified Answer ✓
The probability of rain today is 0.25 or ¼. ; ... more
Verified Answer ✓
This statement is wrong as it implies that only 60... more
Verified Answer ✓
The probability would be high and very close to 1... more
Verified Answer ✓
0, ⅗, 1, and 0.135. ; Probability of an event lies... more
Verified Answer ✓
; Finding the probability of the correct answer... more
Verified Answer ✓
; Finding the probability that your answer is ... more
Verified Answer ✓
; Each birth can result in either a boy (b) or a ... more
Verified Answer ✓
Out of 50 births, 47 girls appear significantly ... more
Verified Answer ✓
Neither significantly low nor significantly high... more
Verified Answer ✓
Neither significantly low nor significantly high... more
Verified Answer ✓
Significantly low. ; Among 50 births we would ... more
Verified Answer ✓
Probability of 0.5 or ½. ; There are a total of ... more
Verified Answer ✓
Probability of 0.2 or ⅕ . ; There are a total of 5... more
Verified Answer ✓
Probability is 0.43. ; The given percentage can be... more
Verified Answer ✓
Probability is 0.292. ; The given percentage can ... more
Verified Answer ✓
Probability of 0.1 or 1/10. ; There are a total ... more
Verified Answer ✓
Probability of 0.5 or ½. ; Let A be the event that... more
Verified Answer ✓
Probability is 0. ; The probability of an ... more
Verified Answer ✓
Probability is 1. ; The probability of a certain ... more
Verified Answer ✓
.It would be a disadvantage for the employer as ... more
Verified Answer ✓
. It would be a disadvantage for the candidates as... more
Verified Answer ✓
.This result appears to be reasonable as an ... more
Verified Answer ✓
.The result does not appear to be a reasonable ... more
Verified Answer ✓
.We can conclude that the method was effective in ... more
Verified Answer ✓
We can conclude that the method was effective in ... more
Verified Answer ✓
The result is reasonably close to the expected ... more
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
or 0.270. No, it is not unlikely for someone to ... more
Verified Answer ✓
Yes, it is unlikely for a car to roll over in a ... more
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
or 0.375. ; Finding the probability of exactly one... more
Verified Answer ✓
or 0.375. ; Finding the probability of exactly ... more
Verified Answer ✓
or 0.25. ; Finding the sample space for a couple ... more
Verified Answer ✓
or 0.125. ; Finding the probability of all four ... more
Verified Answer ✓
Women do not have the ability to predict the ... more
Verified Answer ✓
Seats belts do have an effect on survival rates... more
Verified Answer ✓
Verified Answer ✓
There is not enough evidence to conclude that ... more
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
The probability of a headache is slightly larger ... more
Verified Answer ✓
represents the probability of a randomly selected ... more
Verified Answer ✓
denotes the probability of getting a male adults ... more
Verified Answer ✓
The events are dependent. They can be treated as ... more
Verified Answer ✓
The event implies that the probability that a ... more
Verified Answer ✓
0.74 or 74%. ; Finding the probability of a ... more
Verified Answer ✓
0.197. ; Finding the probability of a flight not ... more
Verified Answer ✓
represents the probability of an adult answering ... more
Verified Answer ✓
denotes the probability of an event in which the ... more
Verified Answer ✓
or 0.676. ; Finding the row and column totals... more
Verified Answer ✓
or 0.117. ; Finding the row and column totals... more
Verified Answer ✓
or 0.912.The events are not disjoint. ; Setting up... more
Verified Answer ✓
or 0.340. The events are not disjoint. ; Setting ... more
Verified Answer ✓
or 0.634. ; Defining the events and finding the ... more
Verified Answer ✓
or 0.943. ; Defining the events and finding the ... more
Verified Answer ✓
0.0156. ; Finding the probabilities of the ... more
Verified Answer ✓
0.00158. ; Finding the probabilities of the ... more
Verified Answer ✓
or 0.92. ; Finding the individual probabilities... more
Verified Answer ✓
or 0.99. ; Finding the individual probabilities... more
Verified Answer ✓
or 0.593. We would think that in general the ... more
Verified Answer ✓
0.03. ; Finding the required probability. ; The ... more
Verified Answer ✓
0.838. This is a high probability and hence most ... more
Verified Answer ✓
0.728. This is a high probability and hence most ... more
Verified Answer ✓
0.854. ; Finding the probability of a patient not ... more
Verified Answer ✓
Verified Answer ✓
0.431. ; Setting up the events. ; The first person... more
Verified Answer ✓
Verified Answer ✓
In general, ; Finding ; Let be the event the ... more
Verified Answer ✓
Here represents the event that of the 3 phones ... more
Verified Answer ✓
We assume independence of events. This is a ... more
Verified Answer ✓
Here is the probability of randomly selecting a ... more
Verified Answer ✓
The confusion of the inverse is to think when in ... more
Verified Answer ✓
or 0.875. ; Finding the probability of not having... more
Verified Answer ✓
or 0.5. ; Finding the required conditional ... more
Verified Answer ✓
0.982. ; Finding the probability of not having any... more
Verified Answer ✓
0.974. This system would ultimately only produce ... more
Verified Answer ✓
0.344. ; Setting up the sample space and ... more
Verified Answer ✓
0.893, the chances of being allowed to continue ... more
Verified Answer ✓
0.965, the chances of getting a defect for her ... more
Verified Answer ✓
0.988, the results of the study may not be true ... more
Verified Answer ✓
or 0.00173. A person may now receive unnecessary ... more
Verified Answer ✓
or 0.0290. A person may not then receive the ... more
Verified Answer ✓
or 0.994. The test ivery effective in identifying ... more
Verified Answer ✓
or 0.991. Thetest very effective in identifying ... more
Verified Answer ✓
0.989. This is quite a high probability and in ... more
Verified Answer ✓
0.490. This is not a low probability and surely ... more
Verified Answer ✓
0.0489. This is a low probability. This implies ... more
Verified Answer ✓
0.569. ; Finding the probability of not sharing a ... more
Verified Answer ✓
The symbol "!" represents the factorial notation. ... more
Verified Answer ✓
Combinations, since the order is not important ... more
Verified Answer ✓
None of the mentioned rules as here the sampling ... more
Verified Answer ✓
No, here since repetition is allowed and the order... more
Verified Answer ✓
or 0.0001. ; Counting the number of ways the ... more
Verified Answer ✓
or 0.00001. ; Counting the number of ways the ... more
Verified Answer ✓
or 0.00585. ; Counting the number of ways the ... more
Verified Answer ✓
165, 6. ; Counting the number of ways of choosing ... more
Verified Answer ✓
or 0.000025. ; Counting the number of ways of ... more
Verified Answer ✓
For two additional letters we have 1352 ... more
Verified Answer ✓
; Finding the number of possible routes. ; The ... more
Verified Answer ✓
3,326,400. ; Counting the number of ways the ... more
Verified Answer ✓
It does not seem feasible to randomly guess the ... more
Verified Answer ✓
10. ; Counting the number of possible pairs. ; We ... more
Verified Answer ✓
or 0.00055. ; Counting the number of ways of ... more
Verified Answer ✓
or 0.0083. ; Counting the number of possible ... more
Verified Answer ✓
; Counting the number of possible Powerball ... more
Verified Answer ✓
or 0.042. ; Counting the number of possible ... more
Verified Answer ✓
or 0.00001 ; Counting the number of possible zip ... more
Verified Answer ✓
60,480. ; Counting the number of possible routes... more
Verified Answer ✓
800 area codes. 6,400,000,000 possible phone ... more
Verified Answer ✓
34,650. ; Finding the number of ways the ... more
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
; Counting the number of possible playlists. ; ... more
Verified Answer ✓
Verified Answer ✓
653,837,184,000. ; Finding the number of ways the ... more
Verified Answer ✓
Verified Answer ✓
There is a much higher probability of getting ... more
Verified Answer ✓
or 0.002. Yes, this can be a problem, because if ... more
Verified Answer ✓
62 possible characters. Yes, the system is ... more
Verified Answer ✓
or 0.029. ; Finding the required number of ... more
Verified Answer ✓
or 0.048.Approximately 5% of hands are blackjack ... more
Verified Answer ✓
26 ways. ; Counting the number of ways we can ... more
Verified Answer ✓
12 ways. ; Creating a table to count the different... more
Verified Answer ✓
Verified Answer ✓
2,095,681,645,538. ; Counting the number of ... more
Verified Answer ✓
Verified Answer ✓
or 0.8. ; Finding the probability of a correct ... more
Verified Answer ✓
0.80. ; Finding the required probability or no ... more
Verified Answer ✓
or 0.334. ; Finding the required probability. ; ... more
Verified Answer ✓
0.5476. ; Finding the required probability. ; It ... more
Verified Answer ✓
A very small probability, say 0.0001. ; Guessing ... more
Verified Answer ✓
0.0680. ; Finding the row and column totals. ; ... more
Verified Answer ✓
or 0.727. ; Finding the row and column totals... more
Verified Answer ✓
or 0.00847. ; Finding the row and column totals... more
Verified Answer ✓
0.00459. ; Finding the row and column totals. ; ... more
Verified Answer ✓
or 0.0131. ; Finding the row and column totals... more
Verified Answer ✓
or 0.589. ; Finding the row and column totals... more
Verified Answer ✓
or 0.657. ; Finding the row and column totals... more
Verified Answer ✓
or 0.592. ; Finding the row and column totals... more
Verified Answer ✓
or 0.832. ; Finding the row and column totals... more
Verified Answer ✓
or 0.798. ; Finding the row and column totals... more
Verified Answer ✓
0.347. ; Finding the required probability. ; Let... more
Verified Answer ✓
0.198. ; Finding the required probability. ; Let ... more
Verified Answer ✓
is the event of randomly selecting a driver who ... more
Verified Answer ✓
is the event of randomly selecting a driver who ... more
Verified Answer ✓
0.171. ; Finding the required probability. ; Since... more
Verified Answer ✓
This is a subjective probability and the answer ... more
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
0.0335, it is not likely. ; Setting up individual ... more
Verified Answer ✓
Verified Answer ✓
; Counting the number of ways we can select the ... more
Verified Answer ✓
Verified Answer ✓
; Counting the number of ways we can choose two ... more
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
Verified Answer ✓
; From the scatter plot, there does not appear to... more
Verified Answer ✓
Verified Answer ✓
This answer is based on a simulation and can ... more
Verified Answer ✓
; Find the row and column totals. ; Positive ... more
Verified Answer ✓
; Find the row and column totals. ; Positive ... more
Verified Answer ✓
; Find the row and column totals. ; Positive ... more
Verified Answer ✓
; Find the row and column totals. ; Positive ... more
Verified Answer ✓
; Find the row and column totals. ; Positive ... more
Verified Answer ✓
; Find the row and column totals. ; Positive ... more
Verified Answer ✓
; Find the row and column totals. ; Positive ... more
Verified Answer ✓
; Find the row and column totals. ; Positive ... more
Verified Answer ✓
0.671 and 0.462. The first value is a true ... more