A fair coin is tossed 400 times. Find the probability that the number of heads which occur differs from 200 by a. More than 2 b. More than 5 C. more than 10 d. more than 25

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A jar contains 2 pennies, 7 nickels and 7 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins. Round your answers to 3 decimal places. Find the probability X = 10. 0.175 Find the probability X = 11. 0.117

find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill.     purchased gum kept the money  students given 4 quarters  25 11 students given $1 bill  15 34