3 years ago

Please help with 7-15!!!

Mathematics

1 answer:

Klio2033 [76]3 years ago

8 0

Answer:

Step-by-step explanation:

Sorry, I could do only the first three questions

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: In a marketing survey, a random sample of 730 women shoppers revealed that 628 remained loyal to their favorite supermarket du

scoundrel [369]

Answer:

The point estimate for p is 0.86.

Step-by-step explanation:

We are given that in a marketing survey, a random sample of 730 women shoppers revealed that 628 remained loyal to their favorite supermarket during the past year (i.e. did not switch stores).

Let p = proportion of all women shoppers who remain loyal to their favorite supermarket

Now, the point estimate for the population proportion (p) is represented by ;

Point estimate for p = $\hat p$ = $\frac{X}{n}$

where, X = Number of women shoppers who remained loyal to their favorite supermarket during the past year = 628

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So, point estimate for p ( $\hat p$ ) = $\frac{X}{n}$

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3 years ago