Question

Find the p -value for the hypothesis test. A random sample of size 51 is taken. The sample has a mean of 392 and a standard deviation of 83. H 0 : µ = 400 H a : µ< 400.

The p -value for the hypothesis test is... ____________
(R*ounded to 4 decimal places)*

Answer #1

Solution :

This is the left tailed test .

The null and alternative hypothesis is ,

H_{0} :
= 400

H_{a} :
< 400

= 392

= 400

= 83

n = 51

Test statistic = z

= ( - ) / / n

= (392 - 400) / 83 / 51

= -0.69

Test statistic = -0.69

P(z < -0.69) = 0.2451

P-value = 0.2451

Find the p -value for the hypothesis test. A random sample of
size 51 is taken. The sample has a mean of 423 and a standard
deviation of 84. H 0 : µ = 400 H a : µ > 400 The p -value for
the hypothesis test is . Your answer should be rounded to 4 decimal
places.

Find the p -value for the hypothesis test. A random sample of
size 51 is taken. The sample has a mean of 423 and a standard
deviation of 84. H 0 : µ = 400 H a : µ ≠ 400 The p -value for the
hypothesis test is . Your answer should be rounded to 4 decimal
places.

Find the p-value for
the hypothesis test. A random sample of size 51 is taken. The
sample has a mean of 423 and a standard deviation of 84.
H0: µ = 400
Ha: µ ≠ 400
The p-value for the
hypothesis test is .
Your answer should
be rounded to 4 decimal places.

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size 53 is taken. The sample has a mean of 424 and a standard
deviation of 83.
H0: µ = 400
Ha: µ > 400
The p-value for the hypothesis test is .
Your answer should be rounded to 4 decimal places.

Find the p -value for the hypothesis test. A random sample of
size 53 is taken. The sample has a mean of 424 and a standard
deviation of 83.
H 0 : µ = 400
H a : µ ≠ 400
The p -value for the hypothesis test is

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size 50 is taken. The sample has a mean of 420 and a standard
deviation of 81.
H0: µ = 400
Ha: µ ≠ 400
The p-value for the hypothesis test is .
Your answer should be rounded to 4 decimal places.

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Ha: µ< 400
The p-value for the hypothesis test is .
Your answer should be rounded to 4 decimal places.

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Your answer should be rounded to 4 decimal places

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deviation of 86.
H0: µ = 400
Ha: µ > 400
The p-value for the hypothesis test is .
Your answer should be rounded to 4 decimal places.

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size 52 is taken. The sample has a mean of 425 and a standard
deviation of 86.
H0: µ = 400
Ha: µ > 400
The p-value for the hypothesis test is
ROUND TO 4 DECIMAL PLACES. THANKS IN ADVANCE.

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