Question regarding the legislative committee
A company has 7 senior and 5 junior officers. An ad hoc legislative committee is to be formed. In how many ways can a 5-officer committee be formed so that it is composed of:
a) Any five officers
b) 3 senior officers and 2 junior officers
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At a day care, there are 5 apples, 8 pears and 12 oranges available for snack time. Marsha & Adrienne get to the front of the line ( in that order ) and get first pick at the fruit.
A survey of 77 freshman business students at a large university produced the following results: 25 of the students read bloomberg business week
Suppose that each ticket costs $5 and the total cost of giving the concert is fixed and equal $2000. Then, if Y denotes profit from the concert, we have Y = 5X - 2000. What is the expected profit?
To use the t-statistic to test for a difference between the means of two populations, what assumptions must be made about the two populations? About the two samples?
The number of telephone calls that arrive at a phone exchange is often modeled as a poisson random variable. assume that on average there are 10 calls per hour,
Predict the wolf population in (b) using the regression line itself. What percentage of the variation in the data is explained by the regression line?
Assume that 64% of twins are of the same gender. Given that a newborn set of twins is of the same gender, what is the conditional probability that the twins are identical?
Assuming that diastolic blood pressure measurements are Normally distributed, the DBP reading that represents the 80th percentile of the distribution is _____.
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