The weight of laboratory butterflies follows a Normal distribution, with a mean of 50 grams and a standard deviation of 3 grams. What percentage of the butterflies weigh between 47 grams and 53 grams?

1.) 99.7%

2.) 95%

3.) 68%

4.) 47.5%

5.) 34%

Determine the initial height of the ball and the time interval before the ball hits the ground. initial height = 0; hits the ground between 5 and 6 seconds initial height = 150; hits the ground between 5 and 6 seconds initial height = 0;

Differentiate y = xe^x+7

Can the complement of an angle be greater than the angle? Less than the angle? Equal to the angle?

Ms. taylor bought a water tube to pull behind her boat. the tube cost $87.00 and 9% sales tax was added at the register. ms. taylor gave the cashier five $20 bills. how much change should she have received.

Which of the following describes how to translate the graph y = lxl to obtain the graph of y = lx + 1l + 1? shift 1 unit left and 1 unit down shift 1 unit left and 1 unit up shift 1 unit right and 1 unit down shift 1 unit right and 1 unit up

Match the type of loan to its correct purpose. 1. a loan used to pay for educational expenses, such as college tuition, books, and housing small-business loan 2. a loan used to purchase a new or used car student loan 3.

An item sells for 2 for 66 cents. What would 5 items sell for?

What is true about the completly simplified difference of the polynomials 6x^6-x^3y^4-5xy^5 and 4x^5y+2x^3y^4+5xy^5 •the difference has 3 terms and a degree of 6 •the difference has 4 terms and a degree of 6 •the difference has 3 terms and a degree

Six sandwiches are being divided evenly by 4 friends. how many sandwiches will each friend get.

If lines are parallel, their intersection forms a right angle. TRUE FALSE