In an aarp study of 1019 randomly selected adults, the respondents were asked to identify the number of credit cards they have, and 26% of them said they had no credit cards. is this a statistic or parameter?

The statement is statistic.

Step-by-step explanation:

Consider the provided information.

In an AARP study of 1019 randomly selected adults, the respondents were asked to identify the number of credit cards they have, and 26% of them said they had no credit cards.

A statistic is a feature of a sample, a percentage of the target population. A parameter is set, unknown numerical value, whereas the statistics are a known number and a variable depending on the population part.

Now we have given the percentage of target population which is the descriptive measure for a sample.

26% is the based on the sample of 1019, therefore this a statistic.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.