Mathematics, 21.11.2019 00:31 markellg1128
Assume that the heights of boys in a high school basketball tournament are normally distributed, with mean 70 inches and standard deviation 2.5 inches. what is the expected number of boys in a group of 40 who are taller than 70 inches?
Answers: 1
inches. 
inches. ![P(x 70)=1-P(x\leq70)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{70-70}{2.5})\\\\=1-P(z\leq0)=1-0.5=0.5\ \ \text{[by using z-value table]}](/tpl/images/0383/6239/12f85.png)
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Assume that the heights of boys in a high school basketball tournament are normally distributed, wit...
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