Normal Distribution and Final Examination Probability
Please show work.
23. The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes.
Answer the following questions.
a. What is the probability of completing the exam in one hour or less?
b. What is the probability that a student will complete the exam in more than 60 minutes but less than 75 minutes?
c. Assume that the class has 60 students and that the examination period is 90 minutes in length. How many students do you expect will be unable to complete the exam in the allotted time?
... Calculates probability using Normal Distribution. The time needed to complete the final examination of MGSC 301 is normally distributed with a mean of 120 ...
... B) Because the population has a Normal distribution C) Because ... Because this theorem apply only in scores distributions. ...Probability Math Exam A final Math exam...
Probability of normal distribution. ... The time to complete a final examination in a particular college ... A. What is the probability of completing the exam in one ...
... Questions on Uniform distribution, normal distribution have been answered ... that z is a standard normal random variable ... needed to complete a final examination in a ...
... (5.)A normal population has a ... Assume a binomial probability distribution with n= 40 and (pi symbol ... calculations to 2 decimal places and your final answer to 4 ...
Binomial & Normal Probabilities.. ... 2. A manufacturing company uses a binomial distribution to predict ... 4. A class of 150 students took a final exam in mathematics ...
... Assume the data has a normal distribution and the ... X be the test score in the final exam. ... P ( < 70) = = P (Z < -1.8842) = 0.0298 Details Normal Probabilities. ...
... Assume that the normal distribution applies and that the ... 23.The time needed to complete the final examination in a ... br>a. What is the probability of completing ...
... of a Type II error if the average grade on the final is 85. Answer. ... The distribution of test statistic under the alternative hypothesis is normal with mean ...
