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Proportion of Multiples of 3
In a die roll, 3 and 6 are multiples of 3 and 1, 2, 4, and 5 are not multiples of 3. Consider 90 rolls of a die on a random basis.
a. From how many outcomes of the 90 rolls would you expect to get multiples of 3, on average?
b. If you actually counted, would you get exactly the number you predicted in part a? Explain.
Normal distribution with a mean of 131 pounds and a standard deviation of 5.9574 pounds. What percent of the students would you expect to weigh at least 145 pounds?
It is believed that regular physical exercise leads to a lower resting pulse rate. Following are data for n = 20 individuals on resting pulse rate.
(a) What is your approximation of P(B)? To receive credit you must explain your answer. (b) What is the best approximation of P(C)? To receive credit you must.
there are six ways in which a person and the situation interact to shape a persons goals thoughts feelings and
Determine the value of correlation coefficient between these 2 variables?
Suppose a restaurant business succeeds 60% of the time. Suppose that there are three such restaurants open in your city. When they don't compete with one another, it is reasonable to believe that their relative success would be independent.
The lifetime of a certain brand of tire has a mean of 43,000 miles and a standard deviation of 6,000 miles. The lifetime distribution closely follows a normal distribution. What proportion of tires will last less than 50,000 miles?
In a random sample of 150 freshman applications received thus far, 67 of the applicants request financial aid. Is there evidence that the proportion of next year's freshmen class needing financial aid has increased?
Many organizations have been in the news over the past few years due to accounting ethical breaches that have affected their customers, employees, or the general public. Search the Internet or the Strayer Library to locate a story in the news that..
SAT verbal scores are normally distributed with a mean of 423 and a standard deviation of 91. Use the Empirical Rule to determine what percent of the scores lies between 423 and 514.
What is the average class size assuming each class is filled to capacity?
Find the volume of the figure below (assume a right circular cylinder on bottom and half a sphere on top.
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