Chapter 5, Section 5.5, Problem 61a
In given case, find the probability of x successes in n Bernoulli trials with success probability p for each trial.
Round your answers to 3 decimal places.
The probability is [removed]
Chapter 5, Section 5.5, Problem 65a
About 74% of dog owners buy holiday presents for their dogs. Suppose n = 4 dog owners are randomly selected. Find the probability that three or more buy their dog holiday presents.
Round to four decimal places.
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the absolute tolerance is +/0.0001
Chapter 5, Section 5.5, Problem 61a
In given case, find the probability of x successes in n Bernoulli trials with success probability p for each trial.
Round your answers to 3 decimal places.
The probability is [removed]
Chapter 5, Section 5.5, Problem 65b
About 75% of dog owners buy holiday presents for their dogs. Suppose n = 4 dog owners are randomly selected. Find the probability that at most three buy their dog holiday presents.
Round to four decimal places.
[removed]
Chapter 5, Section 5.5, Problem 65c
About 75% of dog owners buy holiday presents for their dogs. Suppose n = 4 dog owners are randomly selected. Find the expected number of persons, in the sample, who buy their dog holiday presents.
Round to four decimal places.
[removed]
[removed] 

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