06/03/21

Help me solve this statistics question.
A drinks machine dispenses coffee into cups. A sign on the machine indicates that each cup contains 50 ml of coffee. The machine actually dispenses a mean amount of 55 ml per cup and 10% of the cup... more
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06/02/21

Find probabilities using the normal distribution

Mean= 64S.D.= 9Probability that x is between 41 and 87 ??41-64--------= -2.555....987-64---------= 2.555.....9Since Z is a standard normal variable, use a calculator to find the probability that it... more
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05/14/21

Let A = {−6, −5, −4, −3, −2, −1, 0, 1, 2} and define a relation R on A as follows: For all m, n ∈ A, m R n ⇔ 5|(m2 − n2).

Let A = {−6, −5, −4, −3, −2, −1, 0, 1, 2} and define a relation R on A as follows:For all m, n ∈ A, m R n ⇔ 5|(m2 − n2).It is a fact that R is an equivalence relation on A. Use set-roster notation... more
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