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3 years ago

9

a shipping clerk must send packages of chemicals to a laboratory. The container she is using to ship the chemicals will hold 18

lbs. Each package of chemicals weigh 3lbs. how many packages of chemicals will the container hold

1 answer:

liraira [26]3 years ago

4 0

Answer:

6 chemicals

Step-by-step explanation:

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A college-entrance exam is designed so that scores are normally distributed with a mean of 500 and a standard deviation of 100.

Crank

Answer: 1.25

Step-by-step explanation:

Given: A college-entrance exam is designed so that scores are normally distributed with a mean $(\mu)$ = 500 and a standard deviation $(\sigma)$ = 100.

A z-score measures how many standard deviations a given measurement deviates from the mean.

Let Y be a random variable that denotes the scores in the exam.

Formula for z-score = $\dfrac{Y-\mu}{\sigma}$

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