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nordsb [41]
3 years ago
15

7√)2 = in simplest form.

Mathematics
1 answer:
julsineya [31]3 years ago
8 0

Answer:

7√2 is the exact form



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The weekly incomes of a large group of executives are normally distributed with a mean of $2,000 and a standard deviation of $10
8_murik_8 [283]

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The z-score for an income of $2,100 is 1.

Step-by-step explanation:

If X \sim N (µ, σ²), then  Z=\frac{x-\mu}{\sigma}, is a standard normal variate with mean, E (Z) = 0 and Var (Z) = 1. That is, Z \sim N (0, 1).

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A council of three people is to be chosen from a group of 4 lawyers, one artist, and 3 teachers
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At least one teacher means exactly 1 or exactly 2 or exactly 3 teachers. Find the probability of each and add them up.

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One teacher + Two teachers + Three teachers = 0.2857

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3 years ago
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Answer:

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Step-by-step explanation:

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