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1. find the mean, varience

Check my answers please!Thanks a lot. Five students reported that the previous night they slept: 7,8,7,10,9 hours. Calculate the
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2. asked by Jake
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binomial distribution has probability function P (X=x)=k (1/3)^x (2/3)^7-x , where x=0,1,2,3,4,5,6,7Find mean and varience.
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2. asked by Muhammad
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A binomial distribution has probability function P (X=x)=k (1/3)^x (2/3)^7-x , where x=0,1,2,3,4,5,6,7Find mean and varience.
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2. asked by Muhammad
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1. find the mean, varience and standard deviation for the following data set49,32,35,43,45,40,53,55,42 2.identify the inverse of
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2. asked by Janet
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Can someone help me do this im so cunfeused and dont know how to do it1. find the mean, varience and standard deviation for the
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2. asked by Janet
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5 coins are tossed 3200times. Find the expected frequency for heads and tails also find the mean and varience of the number of
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2. asked by sreta jha
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Can someone give me the answers?!! im so cunfeused and dont know how to do it1. find the mean, varience and standard deviation
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2. asked by Janet
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SOMEONE HELP ME AND CHECK MY WORK!!!Find the mean varience and standard deviation for the following data set
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2. asked by Janet
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can you please explain the following so that I can understand how the numbers for each part was found:A set of 50 data values
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2. asked by MissPatte
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if the standard deviation of a set of n numbers is y what is the varience of the set?i need help!
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2. asked by Diana
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