0 votes 0 votes Ex. I want to calculate : P(21.11<x<26.66) = P(.33<z<2) = 0.4772 - 0.1293 = 0.3497 How to get 0.4772 and 0.1293? Probability engineering-mathematics quantitative-aptitude calculator + – Ami Ladani asked Feb 3, 2017 Ami Ladani 1.1k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes The equation for standard deviation is sqrt([sample size][probability of success](1-[probability of success])). To discover the specimen estimate from the mean and achievement rate, you separate the mean by the achievement rate. I think my answer is helpful you I'm doing write my essay On the off chance that mean=10 and success=0.2, you do 10/0.2 to get your example size, or 50 for this situation. At that point you do sqrt(50*0.2*(1-0.2) to get around 2.83. There you go! Wiltan answered Feb 3, 2017 Wiltan comment Share Follow See all 0 reply Please log in or register to add a comment.