Based on labor? statistics,17% of workers in a particular profession are female.
Complete parts a through e below based on a random sample of 8 workers in this profession.
a. What is the probability that exactly one worker in the sample is female??
The probability is _____
?(Round to four decimal places as? needed.)
b. What is the probability that fewer than 4 workers in the sample female??
The probability is ____
?(Round to four decimal places as? needed.)
c. What is the probability that more than 2 workers in the sample are female??
The probability is ____
?(Round to four decimal places as? needed.)
d. What are the mean and standard deviation for this? distribution
The mean number of females is ______________
?( Type an integer or a? decimal.)
The standard deviation of the number of females is_________
?(Round to four decimal places as? needed.)