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Dalmcdan01
Dalmcdan01
11.02.2020 • 
Mathematics

Approximately 45% of US adults owned a computer as a child. Suppose a random sample of 54 US adults is taken. a. Define the random variable, X, in words. X = the of US adults who owned a computer as a child b. What values can the random variable take on? Write you answer as number, number, number, ..., number c. Define the random variable X. X ~ ( , ) d. Find the expected number to have owned a computer as a child. Round to two decimals. e. Find the standard deviation. Round to two decimals. f. Find P(X = 30). Round to four decimals. g. Find the probability that more than 32 owned a computer as a child. Round to four decimals.

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