Question 859818
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Hi,
p = .04, n = 157
(a) How many scientists at the convention do you expect do believe in PSI? {{{.04*157}}} = approximately 7
 (b) What are the chances that none of the scientists at the convention believes in PSI? {{{.96^157 }}}
 (c) What are the chances that at least 4 scientists at the convention believe in PSI? {{{1 - binomcdf(157,.04,3)}}}
 (d) What is the standard deviation of X?{{{ sqrt(.04*.96*157)}}}