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1) In one city, the probability that a person will pass his or her driving test on the first attempt is 0.62. 11 people are selected at random from among those taking their driving test for the first time. What is the probability that among these 11 people, the number passing the test is between 2 and 4 inclusive?
2) Find the probability P(z < -0.46) using the standard normal distribution?
suppose iq scores were obtained from randomly selected couples. for 20 such pairs of people the linear correlation
assume that adults have iq scores that are normally distributed with a mean of u105 and a standard deviation o15. find
Would you prefer to have your college or university run on the order of the medieval University of Bologna? Why or why not? In what ways is your college or university indebted to the medieval university?
Let T denote the length of time that we have to wait, after we start our observation, for an occurrence. Have your program keep track of T. What is an estimate for the average value of T ?
Cheating Gas Pumps When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1299 were not accurate (within 3.3 oz when 5 gal is pumped), and 5686 were accurate.
She selected a random sample of 50 students from each of the four dormitories. What is the null hypothesis for this situation?
Calculate the mean, median and mode for both sets and do graph/histogram to chart the results and conclude if indeed one set of year had more the other as far a snowfall.
in 1894druggist asa candler began distributing handwritten tickets to his customers for free glasses of coca-cola at
consider a simple card game where there are four cards labeled 1 2 3 and 4. each round my friend first draws a card
What decision should be made regarding the null hypothesis?
john conducted his study to measure self-esteem among victims of domestic violence before and after they complete an
If the university wants only the top 75% of the students to be eligible to apply, what should be the minimum GMAT score speci?ed for eligibility? Find the narrowest interval that will contain 75% of the students' scores.
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