Solve the equation using square roots.

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?

Shirley spelled 12 of her 15 spelling words correctly on the test. what percentage did shirley get on the test?