The distribution for the time it takes a student to

Assignment Help Basic Statistics

Reference no: EM13613260

1. Suppose 2 batteries are randomly chosen from a bin containing 10 batteries, of which 7 are good and 3 are defective. Let x denote the number of defective batteries chosen.

a. List all of the possible values of x

b. Set up the probability distribution

c. Find the mean, and the standard deviation

2. The distribution for the time it takes a student to complete the fall class registration has a mean of 94 minutes and a standard deviation of 10 minutes. For a random sample of 80 students, determine the mean and standard deviation of the sample mean. What can you say about the sampling distribution of the sample mean and why?

Reference no: EM13613260

Questions Cloud

A study has shown that 60 of families in a certain area : 1. if x is normally distributed with a mean of 70 and a standard deviation of 7 finda. px less than or equal to 76b.

A company believes it can sell 5000000 of its proposed new : a company believes it can sell 5000000 of its proposed new optical mouse at a price of 11.00 each. there will be

A spherical mirror is polished on both sides when the : a spherical mirror is polished on both sides. when the concave side is used as a mirror the magnification is 1.7. what

Determine the initial state and the end state of the gas : an un-stretched spring initially is attached to a horizontal piston round shape. heat is added to the gas until the

The distribution for the time it takes a student to : 1. suppose 2 batteries are randomly chosen from a bin containing 10 batteries of which 7 are good and 3 are defective.

Find the magnitude of the electric field at all points in : a planar slab of thickness of 5.00 cm has a uniform volume charge density of 5.20times10-2 c m3. find the magnitude of

An assembly line has a staple gun that rolls to the left : an assembly line has a staple gun that rolls to the left at 1.50 while parts to be stapled roll past it to the right at

Neglecting any other losses in the various components : a simple steam power plant operates on 20 kgs of steam. heat transfer to the steam in the boiler is 69 mw and heat

Variable costs as a percentage of sales for leamon inc are : variable costs as a percentage of sales for leamon inc. are 75 current sales are 600000 and fixed costs are 110000. how

User Account

All Pages