Statistics: If x is a binomial random variable with n

Subject: Mathematics / Statistics
Question
If x is a binomial random variable with n and p.8, what is the probability that x is equal to 4?

.124

.994

.0063

.232

.0055

2

According to the central limit theorem, for samples of size 64 drawn from a population with µ = 800 and ? = 56, the standard deviation of the sampling distribution of sample means would equal _______.

800

7

100

8

80

Catherine Chao, Director of Marketing Research, is evaluating consumer acceptance of a new toothpaste package. Her staff reports that 17% of a random sample of 200 households prefers the new package to all other package designs. If Catherine concludes that 17% of all households prefer the new package, she is using _______.

a point estimate

a statistical parameter

a range estimate

an exact estimate

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