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August 30, 2015

Homework Help: Math

Posted by Nora 512 on Saturday, June 1, 2013 at 6:52pm.

Can someone answer a question similar to a and b so I can use as an example.
Consider the following binomial random variables.
(a) The number of tails seen in 47 tosses of a quarter.
(i) Find the mean. (Give your answer correct to one decimal place.)


(ii) Find the standard deviation. (Give your answer correct to two decimal places.)


(b) The number of left-handed students in a classroom of 59 students (assume that 17% of the population is left-handed).
(i) Find the mean. (Give your answer correct to one decimal place.)


(ii) Find the standard deviation. (Give your answer correct to two decimal places.)

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