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# calculas problems with 100 % accuracy

Question # 00012969
Subject: Statistics
Due on: 05/12/2014
Posted On: 04/21/2014 02:06 AM

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what percentage of observation fall between 1300 and 1700 if the mean 1500 and the standard deviation is 100

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what percentage of observation fall between 1100 and 1900

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.8075em;="" vertical-align:="" baseline;="" line-height:="" 19.3799991607666px;="" color:="" rgb(51,="" 51,="" 51);="" font-family:="" verdana;"="">Using Chebyshev's theorem, what percentage of the observations fall between 1300 and 1700

Using Chebyshev's theorem, what percentage of the observations fall between 1100 and 1900

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Data with 250 observations are drawn from a bell-shaped distribution with a mean of 50 and a standard deviation of 12. Approximately how many observations are more than 74?

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#### calculas problems with 100 % accuracy

Tutorial # 00012517
Posted On: 04/21/2014 02:08 AM
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vikas
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Tutorial Preview …(1/2)^2 x 1 x 1/4 = xxx = 75%(b) xxx 1100 xxx xxxxx k x ±41 - xxxxxxx = 1 x 1/16 x xxxxx = xx 75%4z = xxx - 50)/12 x 2Area xxxxx xxx normal xxxxx to…
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