Age STEM Government data show that 7% of the American population are at least 75 years...

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Age STEM Government data show that 7% of the American population are at least 75 years of age. To test a random-digit dialing device, you use the device to call randomly chosen phone numbers in your county. Of the 280 members of the households contacted, 6% are 75 years or older. 5 1 point What is the probability that less than 6% of individuals in a random sample of 280 respondents would be at least 75 years of age? Use 4 decimal places. Type your answer... Babies STEM The proportion of babies born in the United States that are boys has historically been 0.513. You choose an SRS of 45 newborn babies and find that 43% are boys. Do not round until the final answer. 10 1 point In a random sample of 45 newborn babies, what is the probability that 43% or fewer of the sample are boys? Use 4 decimal places. Type your answer... Age STEM Government data show that 7% of the American population are at least 75 years of age. To test a random-digit dialing device, you use the device to call randomly chosen phone numbers in your county. Of the 280 members of the households contacted, 6% are 75 years or older. 5 1 point What is the probability that less than 6% of individuals in a random sample of 280 respondents would be at least 75 years of age? Use 4 decimal places. Type your answer... Babies STEM The proportion of babies born in the United States that are boys has historically been 0.513. You choose an SRS of 45 newborn babies and find that 43% are boys. Do not round until the final answer. 10 1 point In a random sample of 45 newborn babies, what is the probability that 43% or fewer of the sample are boys? Use 4 decimal places. Type your answer...