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In a large university, 30% of the incoming first-year students elect to enroll in a personal finance course offered by the university. Find the probability that of 800 randomly selected incoming first-year students, at least 260 have elected to enroll in the course.
Assume that x has a normal distribution, with the specified mean and standard deviation. Find the indicated probabilities.
Which of the following is not an advantage of using a cluster sample instead of other types of samples?
What does the coefficient of determination tell you about the variation in attendance and the variation in the number of exhibitors?
The animal colony in the reseach department contains 20 male rats and 30 female rats. Of the 20 males, 15 are white and 5 spotted. Of the 30 females, 15 are white, and 15 are spotted.
Find out the regression equation Determine the value of Rsquare? Comment on value.
Happy Hector and Party Paul are each having a catered party at Fun Factory. Hector's party is in the hall and Paul's party is on the Patio.
Assume the cholesterol levels of adult American women are normally distributed with a mean of 190 mg/dL and a standard deviation of 26 mg/dL. What level would represent the 10th percentile?
Standard deviation of 12 what proportion of people have diastolic blood pressure less than 90. B. What proportion have diastolic pressure between 80 and 90.
If new inspector measures 101 stampings with variance of 0.13 square inch, test at 0.05 level of significance whether inspector is making satisfactory measurements. Suppose normality.
A medical doctor wishes to test the claim that the standard deviation of the systolic blood pressure of deep sea divers is less than 450. To do so, she selected a random sample of 20 divers and found s = 432.
A machine is set to produce tennis balls so the mean bounce is 36 inches when the ball is dropped from a platform of a certain height. The supervisor suspects that the mean bounce has changed and is less than 36 inches.
Demonstrates clearly and fully the ability to use Excel to perform the correlation for the data set.
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