Mathematics, 06.05.2021 22:30 asialuv
14. High-Speed Internet. According to a report by the Commerce Department in the fall of 2004, 20% of U. S.
households had some type of high-speed internet connection. Suppose 20 U. S. households are selected at
random and the number of households with high-speed internet is recorded.
a. Find the probability that exactly 5 households have high-speed internet.
b. Find the probability that at least 10 households have high-speed internet. Would this be unusual (is the
probability less than or equal to .05)?
c.
Find the probability that fewer than 4 household have high-speed internet.
d. Find the probability that between 2 and 5 household have high-speed internet.
Answers: 3
Mathematics, 21.06.2019 13:00
Lines p and q intersect. find the value of b. show your work. cite any theorems you use.
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Mathematics, 21.06.2019 15:00
Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand
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Mathematics, 21.06.2019 21:00
How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?
Answers: 3
14. High-Speed Internet. According to a report by the Commerce Department in the fall of 2004, 20% o...
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