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4 years ago

14

Select the correct answer.

1 answer:

Tasya [4]4 years ago

3 0

Answer:

Here you go I tried it and I hope it’s right..

Step-by-step explanation:

In psychology research, deception is a highly debatable ethical issue. ... Others believe deception is necessary because it prevents participants from behaving in an unnatural way; it is important that participants behave the way they normally would when not being observed or studied.

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Is the square root of 16 irrational

kobusy [5.1K]

No the square root of 16 is 4 which is a whole number therefore it is rational not irrational

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3 years ago

The function y=sin^3 x/cos^3 x is (an even, an odd, neither an even nor an odd function) function, and the function y=1/sec^3 x

Andrew [12]

Answer:

Step-by-step explanation:

sustiute 1 and -1 to x y=tan^3(x) you get postive and negative values , odd function

y=1/sec^3 x is even and same goes on

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4 years ago

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Pavel [41]

Answer:

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Step-by-step explanation:

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3 years ago

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Cerrena [4.2K]

Answer:

C

Step-by-step explanation:

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3 0

3 years ago

On a test with a population mean of 75 and standard deviation equal to 16, if the scores are normally distributed, what percenta

sashaice [31]

Answer:

Percentage of scores that fall between 70 and 80 = 24.34%

Step-by-step explanation:

We are given a test with a population mean of 75 and standard deviation equal to 16.

Let X = Percentage of scores

Since, X ~ N( $\mu,\sigma^{2}$ )

The z probability is given by;

Z = $\frac{X-\mu}{\sigma}$ ~ N(0,1) where, $\mu$ = 75 and $\sigma$ = 16

So, P(70 < X < 80) = P(X < 80) - P(X <= 70)

P(X < 80) = P( $\frac{X-\mu}{\sigma}$ < $\frac{80-75}{16}$ ) = P(Z < 0.31) = 0.62172

P(X <= 70) = P( $\frac{X-\mu}{\sigma}$ < $\frac{70-75}{16}$ ) = P(Z < -0.31) = 1 - P(Z <= 0.31)

= 1 - 0.62172 = 0.37828

Therefore, P(70 < X < 80) = 0.62172 - 0.37828 = 0.24344 or 24.34%

6 0

4 years ago