The mean of the data set is 40 and one standard deviation is 5. About what percent of the numbers fall between 35 and 50?

In the United States, 63% of people wear a seatbelt while driving. What is the probability that they do not wear a seatbelt?

Prove that ax+by+c=0 represent the eqn of straight line

The students who perfer pizza represent twenty seven fewer students that five times the number of students who p erfer sushi. If 1,528 students perfer pizza, how many students perfer sushi?

14/100 + 8/10 equals?

14 is 35% of what number

To study the mean blood pressure of all people in her state, Christine samples the population by dividing the residents by towns and randomly selecting 9 of the towns. She then collects data from all the residents in the selected towns.

What are all the values that make x^2 + bx + 144 a perfect square?

Write the fraction in decimal notation 3 1/100

A cylinder has a radius of 6 inches and is 15 inches tall. What is the volume of the cylinder? Express the answer in terms of x

A student simplified the expression 6^2/36^2 as 1/3. Do you agree with this student? Explain why or why not