approximately 10.3% of american high school students drop out of school before graduation. assume the variable is binomial. choose nine students enteirng high school at random. find the probabilites. round the answers to at least four decimal places

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A: toss a fair coin 12 times so P(head) =P(tail) = 12

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A: Given  Mean=30, standard deviations=5

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A: Givensample size(n)=220x=136sample size(n)=xn=136220≅0.6182confidence level(α)=0.05

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A: 4) The mathematical expressions (14+12)×(8+12) and (14×12)+(8×12).

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A: The number of cards in a deck is n = 52.

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A: given data normal distributionμ = 131.80σ = 29.12n = 15P(x¯>150) = ?

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A:

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Q: ENGINEERING STUDENTS HAVE THE FF. HEIGHTS (IN FT) 5.8 5.9 8.2 4.8 4.9 5.11 5.9 4.11 5.6

A: Given that data  5.2,5.8,5.9,6.2,4.8,4.9,5.11,5.9,4.11,5.6 Sample size n =10

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