Suppose a company wants to determine the current percentage of customers who are subjected to their advertisements online. how many customers should the company survey in order to be 98% confident that the estimated (sample) proportion is within 3 percentage points of the true population proportion of customers who are subjected to their advertisements online? z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576

1503

Step-by-step explanation:

Given : Significance level :

Critical value :

Margin of error :

We know that the formula to find the sample size (the prior true proportion is not available) is given by :-

i.e.

Hence, the minimum sample size should be 1503.

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

sorry i need the points

step-by-step explanation:

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