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As a binomial question: Flip a coin twice. The probability of observing a head is 50%,...

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As a binomial question: Flip a coin twice. The probability ofobserving a head is 50%, what is the probability that I observe 1head? binompdf (n, p, x) so binompdf( 2, .50,1) Sampling Proportionquestion (8.2): There is a 50% of observing a head. If we flip thecoin 100 times, what is that at most 30% of the flips will beheads? n*p*(1-p) =100*.50*.50=25 (Do not use my coin example. Useyour own scenario). pˆ=.30 po or μ=50 Image result for sampleproportion z formula NormalCDF (-999,.30,.50,.05) raw numbersz=.30−.50.50(1−.50)100√=−.20.05=−4 NormalCDF(-999,-4) standardizedthat means the mean is 0 and standard deviation is 1.

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As a binomial question Flip a coin twice The probability ofobserving a head is 50 what is the probability that I observe 1head binompdf n    See Answer
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