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.

no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent