Mathematics, 11.12.2021 01:00, bob4964
30 POINTS
The duration of audio content on audio CDs is found to follow a normal distribution, with a mean of 82.1 minutes and a standard deviation of 6.5 minutes. 6) If the company distributes 5.5 million CDs in one year, what is the approximate number of CDs that have content lasting less than 70 minutes?
A) 0.17 million
B) 0.45 million
C) 1.7 million Eliminate
D) 2.3 million
Answers: 2
Mathematics, 21.06.2019 16:30, xojade
The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms
Answers: 3
Mathematics, 21.06.2019 21:20, naenae6775
Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.
Answers: 2
30 POINTS
The duration of audio content on audio CDs is found to follow a normal distribution, wit...
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