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1. Find a value of the standard normal random variable cutting off an area of 0.685 to its left.
2. Find a value of the standard normal random variable cutting off an area of 0.50 to its right. (Do you need the table for this probability? Explain.)
Statistics and Probability, Statistics
At a large university, the probability that a student take calculus and is on the dean's list is 0.048. The probability that a student is on the dean's list is 0.29. Find the probability that the student is taking calcul ...
Metro trains in Manhattan arrive at your train station exactly every 15 minutes (i.e., the times between arrivals are 15, 15, 15, and 15 in an hour). If you just arrived at the train station at a random time, what is the ...
(a) What is the purpose of credit analysis? Discuss the importance of performing a credit analysis if you are suppliers of credit (i.e., commercial banks, non-bank private financing entities).
An independent-measures study has one sample with n = 10 and a second sample with n = 15 to compare two experimental treatments. What is the df value for the t statistic for this study?
Assume that the significance level is alpha equals α=0.05. Use the given statement and find the? P-value and critical? value(s). The test statistic of z equals = -1.53 is obtained when testing the claim that p= 1/6 P-val ...
There is an 8%, 2-year bond, which we buy now at which point the required rates are 6%. If we intend to sell it in 2 years, when the market rates of interest are 2%, what is the market price of the bond then and now? A 1 ...
A process is normally distributed with a mean of 104 rotations per minute and a standard deviation of 8.2 rotations per minute. If a randomly selected minute has 118 rotations per minute, would the process be considered ...
Suppose we can only sample from Uniform distribution (0,1) with k=3. Design an algorithm to simulate chi-square distribution with 2k freedom via general transformation method.
Hospital waiting room times are normally distributed with a mean of 38.12 minutes and a standard deviation of 8.63 minutes. What is the shortest wait time that would still be in the worst 20% of wait times?
The probability that a student passes a class is p(P) = 0.59. The probability that a student studied for a class is p(S) = 0.55. The probability that a student passes a class given that he or she studied for the class is ...
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