Question

During weeknights, studies show that one in every ____ American adults experiences very short sleep, defined as less than 6 hours. Select one: a. eight b. five c. ten d. two 

          During weeknights, studies show that one in every ____ American adults experiences very short sleep, defined as less than 6 hours.
Select one:
a. eight
b. five
c. ten
d. two
During weeknights, studies show that one in every American adults experiences very short sleep, defined as less than 6 hours. Select one: a. eight b. five c. ten d. two

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Biology for AP Courses
Biology for AP Courses
Julianne Zedalis, John Eggebrecht
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health During weeknights,studies show that one in every sleep.defined as less than 6 hours American adults experiences very short Selectone: Oaeight Ob.five O.c.ten Odtwo
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Transcript

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00:01 Let's solve this question here, we have given that p cap that is equals to 0 .55, here p that is 0 .6, now here n that is 340 and level of significance alpha that is 0 .05.
00:17 Now here we have we can write the null hypothesis h0 such that p that is equals to 0 .6 and here the alternative hypothesis h such that p is less than 0 .6.
00:31 So here the alternative hypothesis is less than so therefore we can say that it is a left tailed test.
00:42 So here we have we will first of all frame the hypothesis and by comparing alpha is equals to 0 .05 in the normal table we will get the critical value of z.
00:56 So therefore z alpha that is z critical is equals to we will get 1 .645.
01:04 Now here we will find the test statistic.
01:07 So therefore here we will get the test statistic that is z is equals to p cap minus p divided by square root of p 1 minus p divided by n...
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