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Softa [21]
3 years ago
9

Peyton and Ashley have five red apples.peyton is holding five of the apples.how many is Ashley holding?

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
6 0
Ashley is holding nothing that is the answer.
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yKpoI14uk [10]3 years ago
6 0
Ashley isn't holding any apples which would make the answer 0.
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The Genetics &amp; IVF Institute conducted a clinical trial of the YSORT method designed to increase the probability of conceivi
Reika [66]

Answer: The test statistic needed to test this claim= 10.92

Step-by-step explanation:

We know that the probability of giving birth to a boy : p= 0.5

i..e The population proportion of giving birth to a boy =  0.5

As per given , we have

Null hypothesis : H_0: p\leq0.5

Alternative hypothesis :  H_a: p>0.5

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Also, it is given that , the sample size : n= 291

Sample proportion: \hat{p}=\dfrac{239}{291}\approx0.82

Test statistic : z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}} , where n is sample size ,  \hat{p} is sample proportion and p is the population proportion.

\Rightarrow\ z=\dfrac{0.82-0.5}{\sqrt{\dfrac{0.5(1-0.5)}{291}}}\approx10.92

i.e. the test statistic needed to test this claim= 10.92

Critical value ( one-tailed) for  0.01 significance level = z_{0.01}=2.326

Decision : Since Test statistic value (10.92)> Critical value (2.326), so we reject the null hypothesis .

[When test statistic value is greater than the critical value , then we reject the null hypothesis.]

Thus , we concluded that we have enough evidence at 0.01 significance level to support the claim that the YSORT method is effective in increasing the likelihood that a baby will be a boy.

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3 years ago
greg has building blocks.his sister gives him 17 more blocks. he uses 38 blocks to make a tower.how many blocks are not used in
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3 years ago
The diagram shows a parallelogram.
Firlakuza [10]

Check the picture below.

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