Mathematics, 20.03.2020 10:18 AgarioEdit
According to the US Department of Labor, 65% of all adult workers have a high school diploma. Answer the following questions. Question 16 (2 points):
What is the probability that among 20 randomly selected US adult workers 14 have a high school diploma? (Round your answer to 4 places after the decimal point).
a) 0.0012
b) 0.1712
c) 0.0863
d) None of the above
How many US adult workers are expected to have a high school diploma?
a) 5 US adult workers
b) 7 US adult workers
c) 13 US adult workers
d) None of the above
What is the standard deviation of the number of US adult workers with high school diploma? (Round your answer to 2 places after the decimal point).
a) 2.13 US adult workers
b) 4.55 US adult workers
c) 3.76 US adult workers
d) None of the above
Answers: 3
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Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)
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According to the US Department of Labor, 65% of all adult workers have a high school diploma. Answer...
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