(Solved): According to the American Marketing Association, in one month, \( 27 \% \) of a social media's user ...

According to the American Marketing Association, in one month, \( 27 \% \) of a social media's users were between 25 and 34 years old. If a random sample of nine adults was selected. Complete parts a through \( d \). a. What is the probability that exactly six adults from this sample were between 25 and 34 years old? The probability is (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that fewer than two adults from this sample were between 25 and 34 years old? The probability is (Type an integer or decimal rounded to four decimal places as needed.) c. What is the probability that five or more adults from this sample were between 25 and 34 years old? The probability is (Type an integer or decimal rounded to four decimal places as needed.) d. What are the mean and standard deviation for this distribution? The mean is (Type an integer or a decimal. Do not round.) The standard deviation is (Type an integer or decimal rounded to two decimal places as needed.)