Mathematics, 22.11.2020 02:00 rheamorrell
Toilet Flushing: 64% of Americans use their foot to flush the toilet in public restrooms. A simple random sample of 740 Americans woman aged 18-24 years are surveyed. Use the normal approximation to the binomial to approximate the probability that
a. Approximate the probability that exactly 490 flush with their foot.
b. Approximate the probability that no more than 490 flush with their foot.
c. Approximate the probability that between 480 and 500 flush with their foot, inclusive.
Answers: 1
Mathematics, 21.06.2019 21:30
Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.
Answers: 2
Mathematics, 21.06.2019 22:00
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= 1/4, 0 < β
< Ο/2, what is the exact value of cosβ
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Mathematics, 22.06.2019 03:30
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Toilet Flushing: 64% of Americans use their foot to flush the toilet in public restrooms. A simple r...
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