Mathematics, 25.04.2020 04:42, mprjug6
A company makes auto batteries. They claim that 84 % of their LL70 batteries are good for 70 months or longer. Assume that this claim is true. Let p^ be the proportion in a random sample of 60 such batteries that are good for 70 months or more.
(a) What is the probability that this sample proportion is within 0.03 of the population proportion? Round your answer to two decimal places.
(b) What is the probability that this sample proportion is less than the population proportion by 0.05 or more? Round your answer to two decimal places.
Answers: 2
Mathematics, 21.06.2019 15:30, jasmine0182lopez
Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.
Answers: 1
Mathematics, 21.06.2019 22:30, hala201490
Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.
Answers: 1
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