Mathematics, 19.05.2021 06:00 lexie7752
Ayden earned a score of 50 on Exam A that had a mean of 75 and a standard deviation of 10. He is about to take Exam B that has a mean of 450 and a standard deviation of 20. How well must Ayden score on Exam B in order to do equivalently well as he did on Exam A? Assume that scores on each exam are normally distributed.
Answers: 2
Mathematics, 21.06.2019 15:00
Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above
Answers: 3
Mathematics, 21.06.2019 20:30
Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?
Answers: 3
Mathematics, 22.06.2019 00:40
Can you divide 25 into 4 equal groups? explain why or why not.
Answers: 1
Ayden earned a score of 50 on Exam A that had a mean of 75 and a standard deviation of 10. He is abo...
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