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Bob made 116 on his accounting midterm and 82 on his biology midterm. For the accounting midterm, the mean score was 102 with standard deviation 14. For the biology midterm, the mean score was 70 with standard deviation of 5. Which score was the higher with respect to the rest of the class? Explain your answer
Find the approximate percentile ranks of these scores by constructing a percentile graph (Ogive).Use the Ogive, estimate percentile of a student who scored 200 points in the test? What is the student score must be in order in the 90 percentile?
suppose that the company currently has 180 units in stock, and it will not be receiving any further shipments from its supplier for at least 3 weeks. What is the probability that the company will run out of units?
500 trials where each trial consists of tossing four coins and counting the number of heads. find the number of cases
An injury insurance policy pays out $6000 if a person is seriously injured with permanent disability, $1000 if a person is seriously injured without permanent disability and $0 otherwise. hat is the standard deviation of the amount of money paid by..
Compare the standard deviation for the heights of males and the standard deviation for the heights of females in the class.
A manufacturer of microwaves gathers information on microwave sales from a random sample of 50 stores in a large retail chain. In the sample, the mean number of microwaves sold per store last week was 19, with standard deviation 2.
a table gives the number of medical doctors per 100000 people for each of the 50 states. it does not make sense to use
At some vacation destinations, "all-inclusive" resorts allow you to pay a flat rate and then eat and drink as much as you want. There has been concern about whether these deals might lead to excessive consumption of alcohol by young adults on spri..
suppose that x1 x2 x3 x4 and x5 is a random sample from a distribution with density function fx 1theta for 0ltxlttheta.
question let y be a random variable with probability density function gy0.5siny where pi ge y ge 0. let x be a random
In both cases, give a number of data points, n, and a correlation coefficient, r. Draw a number of data points, n, and a correlation coefficient, r. Tell whether the correlation is significant at 0.05 or 0.01 level, explain.
The firm's best assessment is a .3 probability of strong demand. the expected value of perfect information about demand is?
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