Answers by Wannadream

Answers by Wannadream

Let X be the yearly claim (in dollars) of a randomly chosen policyholder of MAICO, an auto insurance company. It is known that E(X) = 750 and Var(X) = 62,500. a) Show that P(250 ≤ X ≤ 1250) ≥ 3/4 [Hint:

answered Jun 29, 2020

7 votes

84.5k views

On a partly cloudy day, Derek decides to walk back from work. When it is sunny, he walks at a speed of s miles/hr (s is an integer) and when it gets cloudy, he increases his speed to (s + 1) miles/hr.

answered Jun 17, 2020

5 votes

85.6k views

Harry is facing an important test and expects to do poorly. He is so anxious that he cannot concentrate or study effectively, but he figures that because he's going to do badly anyway, he should not bother.

answered May 31, 2020

4 votes

201k views

You are driving to the grocery store at 20 m/s. You are 110m from an intersection when the traffic light turns red. Assume that your reaction time is 0.50s and that your car brakes with constant acceleration.

answered May 19, 2020

3 votes

41.2k views

A rock climber burns 60 calories for every 5 minutes or rock climbing write a proportion to determine how many calories a rock climber would burn in 7 minutes

answered Mar 6, 2020

3 votes

147k views

Solve the equation 3x + 5y = 15 for y. A. y 3-X B. y = 15 - 3x C. y= 3(15 - 3x) D. y - x - 3 V =

answered Feb 28, 2020

3 votes

141k views

NEED HELP ASAP Which of the following is true about gases? a. gas molecules are arranged in an orderly fashion b. gas molecules are in constant motion c. hydrogen and nitrogen are liquids at room temperature

answered Nov 5, 2019

2 votes

203k views

Page:

Search QAmmunity.org