# Leslie

### What is the area under the standard normal curve to the left of z = 1.5?

3 AnswersMathematics2 months ago### Null and alternative hypothesis?

1 AnswerMathematics2 months ago### Normal distribution statistics question?

2 AnswersMathematics2 months ago### Statistics question about H0, Ha?

1 AnswerMathematics2 months ago### Statistics question about confidence interval?

1 AnswerMathematics2 months ago### Statistics question about standard deviation?

1 AnswerMathematics2 months ago### Math, statistics... How to I make a frequency distribution with this?

Just answer the frequency distribution. Once I know that, I can do the rest on my own.

1 AnswerMathematics2 months ago### Math, statistics...Given the population of men has normally distributed weights with a mean of 172 lb and a standard deviation of 29 lb?

a) if one man is randomly selected, find the probability that his weight is greater than 175 lb.

b) if 20 different men are randomly selected, find the probability that their mean weight is greater than 175 lb (so that their total weight exceeds the safe capacity of 3500 pounds).

1 AnswerMathematics2 months ago### spheres A and B had equal charges and were a distance d apart. He made the charge on B?

one-fourth the charge on A. How far apart would the two spheres then have to be for A to have the same deflection it had before?

2 AnswersPhysics1 year ago### Pam, wears a rocket pack, stands on ice. She has a mass of 45 kg. The rocket supplies a constant force for?

22.0 m, and gets a speed of 60.0 m/s.

(a) What is the magnitude of the force?

N

(b) What is Pam's final kinetic energy?

J

1 AnswerPhysics1 year ago### lawn roller pushed across a lawn by a force of 103 N along the direction of the handle, which is 22.5° above the?

horizontal. If you develop 65.3 W of power for 90.0 s, what distance is the roller pushed?

2 AnswersPhysics1 year ago### rope used to pull a metal box 21.0 m across the floor. The rope is held at an angle of 46.0° with the floor and a force of 656 N is used.?

How much in joules work does the force on the rope do?

1 AnswerPhysics1 year ago### A force of 303.0 N is used to push a 170 kg mass 30.0 m horizontally in 3.00 s.?

(a) Calculate the work done on the mass.

kJ

(b) Calculate the power developed.

kW

2 AnswersPhysics1 year ago