BANA 2372 Exam 2 Questions with Correct Answers

BANA 2372 Exam 2 Questions with Correct Answers Forty percent of all registered voters in a national election are female. A random sample of 5 voters is selected. Refer to Exhibit 5-9. The probability that there are no females in the sample is _____. - Answer-.0778 For a uniform probability density function, the height of the function _____. - Answer-is the same for each value of x The student body of a large university consists of 60% female students. A random sample of 8 students is selected. Refer to Exhibit 5-8. What is the probability that among the students in the sample at least 7 are female? - Answer-.1064 For a standard normal distribution, the probability of obtaining a z value between -1.9 and 1.7 is _____. - Answer-.9267 Probability Distribution x f(x) 10 .2 20 .3 30 .4 40 .1 Refer to Exhibit 5-6. The expected value of x equals _____. - Answer-24