In a random sample of 184 college students, 97 had part-time jobs. find the margin of error for the 95% confidence interval used to estimate the population proportion. 0.0649

0.1260

0.0721

0.0027

0.0721

Step-by-step explanation:

A 95% confidence interval for the population proportion is calculated using the formula;

In this case p is the sample proportion, calculated as ;

number of successes/sample size. It is the equivalent of the probability of success in a binomial distribution. This implies that the sample proportion in this case will be; 97/184

The value 1.96 is the confidence coefficient associated with a 95% confidence  interval for the population proportion since the sample proportions under the central limit theorem are assumed o be normally distributed.

n is simply the sample size, 184 college students.

Now, the expression

is what is termed as the margin of error for a 95% confidence interval of the population proportion. We simply substitute the values given into the expression and simplify it.

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.

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