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(a) How many ways are there to distribute seven identical apples and six identical pears to three distinct people such that each person has at least one pear?
(b) How many ways are there to distribute seven distinct applies and six distinct pears to three distinct people such that each person has at least one pear?
The events A and B are independent, mutually exclusive or both. If two events A and B are mutually exclusive (A B = ), then they cannot be independent if P(A) > 0 and P(B) > 0. Why?
the average life expectancy in the united states l has been rising steadily over the past few decades as shown in the
From past information, it is known that the standard deviation of the population is 22 mph. The 96.6% confidence interval for m is?
If mean height when these plants are treated with the certain chemical varies from 185. Define the null hypothesis H0 and alternative hypothesis H1 which we would use for this test.
a division within a transportation company is responsible for performing maintenance on the fleet of trucks used by the
The drug Ancrod was tested in a double-blind clinical trial in which subjects who had strokes were randomly assigned to get either Ancrod or a placebo.
question 1 a breeder records probabilities for two variables in a population of animals using the two-way tablegiven
1. suppose you are calculating an analysis of variance for a completely randomized design. you are testing the
What is the probability that a randomly selected household with a head of household in this age group had less than $70 000 in life insurance coverage?"
During the past six months, 73.2% of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10. 80% of the households spent more than what amount?
Suppose that beer consumption and religious affiliation are not independent of each other. That means that
To test the hypothesis that 48% of PC users have never used a Mac, the analyst took a sample of 50 PC customers drawn at random and found that 22 of them had never used a Mac.
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