Mathematics, 21.05.2021 14:00 drelisech6467
An automobile battery manufacturer claims that its midgrade battery has a
mean life of 50 months with a standard deviation of 6 months. Suppose the
distribution of battery lives of this particular brand is approximately normal.
6a. On the assumption that the manufacturer's claims are true, find the
probability that a randomly selected battery of this type will last less than 48
months.
Your answer
6b. On the same assumption, find the probability that the mean of a random
sample of 36 such batteries will be less than 48 months.
Your answer
Answers: 1
Mathematics, 20.06.2019 18:02
Lin is shopping for a couch with her dad and heard him ask the salesperson “how much is your commission? ” the salesperson says that her commission is 5 1/2% of the selling price. a.how much commission will the salesperson earn by selling a couch for $495? b.how much money will the store get from the sale of the couch?
Answers: 1
Mathematics, 21.06.2019 17:30
(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .
Answers: 1
Mathematics, 21.06.2019 18:50
In which form is the following function written? y = - 2(x – 3)(x + 5)
Answers: 1
An automobile battery manufacturer claims that its midgrade battery has a
mean life of 50 months wi...
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