A recent survey reported that 63% of? 18- to? 29-year-olds in acertain country own tablets. Using the binomial? distribution,complete parts? (a) through? (e) below.
?: .52 ?=6
a. What is the probability that in the nextsix? 18- to? 29-year-olds surveyed, four will own a? tablet?
The probability is ____
?(Type an integer or a decimal. Round to four decimal places as?needed.)
b. What is the probability that in the nextsix? 18- to? 29-year-olds surveyed, all six will own a? tablet?
The probability is ____
?(Type an integer or a decimal. Round to four decimal places as?needed.)
c. What is the probability that in the nextsix? 18- to? 29-year-olds surveyed, at least four will own a?tablet?
The probability is ____
?(Type an integer or a decimal. Round to four decimal places as?needed.)
d. What are the mean and standard deviation ofthe number of? 18- to?29-year-olds who will own a tablet in asurvey of? six?
The mean number of? 18- to? 29-year-olds who own tablets out ofsix surveyed is _____
?(Type an integer or a decimal. Round to four decimal places as?needed.)
The standard deviation of the number of? 18- to? 29-year-oldswho own tablets out of six surveyed is
nothing.
?(Type an integer or a decimal. Round to four decimal places as?needed.)
