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torisob [31]
3 years ago
12

Please answer the following question

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
6 0
Yeah there all right but I have a little hinch for the last and first one
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Answer:

you<u> accept </u>the alternative hypothesis

Step-by-step explanation:

The null and alternative hypothesis can be computed as follows:

H_o: p = 0.64 \\ \\ H_1: p \le 0.64

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\hat p = \dfrac{52}{100}

\hat p = 0.52

The test statistics can be computed as:

Z = \dfrac{\hat p -p_o}{ \sqrt{ \dfrac{p_o \times (1-p_o)}{ n} }}}

Z = \dfrac{0.52 -0.64}{ \sqrt{ \dfrac{0.64 \times (1-0.64)}{ 100} }}}

Z = -2.5

The P-value = 2( Z< -2.5)

From the tables;

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The significance level = 0.01

Since the P-value is > significance level; we fail to reject the null hypothesis.

Conclusion: we accept the alternative hypothesis

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3 years ago
Solve: 2/3(y+2)-5/6(y-1)=5/4(y-3)-4<br><br> please solve quickly :)
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Step-by-step explanation:

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2 years ago
Multiples of 9 less than 80
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