Friday

October 21, 2016
Total # Posts: 9

**math**

The life span of a DVD player produced by one major company is known to be normally distributed with a mean of 6.2 years. If 4.01% of these DVD players have a life span of more than 8 years, what is the standard deviation of the DVD player’s life span?

*April 15, 2015*

**math**

Test scores on a university admissions test are normally distributed, with a mean of 500 and a standard deviation of 100. a. What is the probability that a randomly selected applicant scores between 425 and 575? b. What is the probability that a randomly selected applicant ...

*April 15, 2015*

**math**

What is the probability that a randomly selected applicant scores between 425 and 575? a. What is the probability that a randomly selected applicant scores between 425 and 575? b. What is the probability that a randomly selected applicant scores 625 or more?

*April 15, 2015*

**Math**

a rope swing is attached to tree overlooking the river. if the rope is 38 feet in length and swings through an angle of 200 degree, find the total distance to the nearest feet, traveled by someone sitting on the seat when the swing angle described is the maximum.

*February 23, 2014*

**chemistry**

in fcc crystal system with unit cell of an edge 200pm calculate its density if 200grams of this element contains 24*10E23

*May 23, 2013*

**algebra 1**

Qu.2-D,Qu.3-A,Qu.5-C

*March 2, 2013*

**Essay**

THANK U

*June 30, 2012*

**maths**

20 mental ability questions inmaths with solutions...

*December 30, 2011*

**Business**

Sundown Rent-a-Car, a large automobile rental agency operating in the Midwest, is preparing a leasing strategy for the next six months. Sundown leases cars from an automobile manufacturer and then rents them to the public on a daily basis. A forecast of the demand for Sundown...

*May 28, 2010*

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