A random sample of size n = 40 is selected from a binomial distribution with population proportion p = 0.25. (a) What will be the approximate shape of the sampling distribution of p̂? approximately normal skewed symmetric Correct: Your answer is correct. (b) What will be the mean and standard deviation (or standard error) of the sampling distribution of p̂? (Round your answers to four decimal places.) mean 0.25 Correct: Your answer is correct. standard deviation 0.0685 Correct: Your answer is correct. (c) Find the probability that the sample proportion p̂ is strictly between 0.15 and 0.48. (Round your answer to four decimal places.) 0.9261 Incorrect: Your answer is incorrect.
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