Sunshine high school claims that 72% of its students complete their homework on a daily basis. ms. carter surveyed 80 students and found that only 60% complete their daily homework. what does the test statistic calculation look like in this situation for an appropriate hypothesis test? z equals 0.60 minus 0.72 all over the square root of the quantity 0.72 times 0.28 over 80 z equals 0.60 minus 0.72 all over the square root of the quantity 0.60 times 0.40 over 80

z equals 0.60 minus 0.72 all over the square root of the quantity 0.72 times 0.28 over 80

Step-by-step explanation:

let p be the population proportion of students complete their homework on a daily basis.

As per given , we have

p= 0.72

sample size : n= 80

Sample proportion :

Test statistic for proportion:

i.e.

i.e.

That is , z equals 0.60 minus 0.72 all over the square root of the quantity 0.72 times 0.28 over 80

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step-by-step explanation: