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Author Question: The time taken to answer an exam question for a randomly chosen student has a uniform probability ... (Read 51 times)

rmenurse

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on: Jul 24, 2018
The time taken to answer an exam question for a randomly chosen student has a uniform probability distribution from 1 minute to 5 minutes. What is the probability that the time to answer is no more than 2 minutes?
 a. 0.20
  b. 0.25
  c. 0.40
  d. 0.75

Question 2

A survey at a large public university reveals that many students hold a (part-time) job while going to college. Out of 127 female students surveyed, 95 have a job and out of 143 male students, 97 have a job. What is the standard error of the estimate?


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ghepp

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

0.0549


rmenurse

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Reply 2 on: Jul 24, 2018
Gracias!

yeungji

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Reply 3 on: Yesterday
Excellent

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