Question: .ul cricket '6' 10:39 PM @ 14% [+3. X Unit 4 Practice FRQ D/ Unit 4 Practice Free Response Question The Big River Casino is

.ul cricket '6' 10:39 PM @ 14% [+3. X Unit 4 Practice FRQ D/ Unit 4 Practice Free Response Question The Big River Casino is advertising a new digital lottery-style game called Instant Lotto' The player can win the following monetary prizes with the associated probabilities: - 5% probability to win $10 a 4% probability to win $15 a 3% probability to win $30 a 1% probability to win $50 a 0.1 % probability to win the Grand Prize, $1000. (a) Calculate the expected value of the prize for one play of Instant Lotto. (b) As a promotion, a visitor to the casino is given 20 free plays of Instant Lotto. What is the probability that the visitor wins some prize at least twice in the 20 free plays? ((2) The number of people who play Instant Lotto each day is approximately normally distributed with a mean of 800 people and a standard deviation of 310 people. What is the probability that a randomly selected day has at least 1000 people play Instant Lotto? + STATS MEDIC

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