Mathematics, 21.02.2020 20:54, carlosleblanc26
Assume that the lifetime of a particular brand of batteries follows a normal distribution with mean 12000 hours and standard deviation 2000 hours. Compute the probability that a random sample of 36 of these batteries has an average life X ,
Answers: 3
Mathematics, 21.06.2019 12:30, anthonybowie99
Can someone explain the elimination method to me for this problem?
Answers: 1
Mathematics, 21.06.2019 18:50, brooke0713
Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling
Answers: 1
Mathematics, 22.06.2019 00:40, Abrow484
Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?
Answers: 2
Assume that the lifetime of a particular brand of batteries follows a normal distribution with mean...
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