Mathematics, 22.10.2020 20:01 prin30004
The manager of a department store wants to determine what proportion of people who enter the store use the store's credit card for their purchases. What size sample should he take so that at 99% confidence the error will not be more than 8%?
Answers: 2
Mathematics, 21.06.2019 18:30
Find the area of the regular hexagon if a side is 20 cm.
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Mathematics, 21.06.2019 21:00
An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.
Answers: 1
Mathematics, 21.06.2019 21:30
If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2
Answers: 2
The manager of a department store wants to determine what proportion of people who enter the store u...
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