Mathematics, 26.02.2021 08:20, isabellemaine
Maria decides to keep placing a $1 bet on number 15 in consecutive spins of a roulette wheel until she wins. On any spin, there's a 1-in-38 chance that the ball will land on the number 15. Let R = the number of spins of the roulette wheel that it takes until she wins.
12.) Explain why R is a Geometric random variable (in context).
13.) How many spins would you expect it to take for Maria to win?
14.) What is the probability that it takes Maria exactly 3 spins to win for the first time?
15.) What is the probability that it takes Maria more than 3 spins to win for the first time?
Answers: 3
Mathematics, 21.06.2019 16:00, pringleosmond
65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.
Answers: 3
Mathematics, 21.06.2019 17:00, TheRunningPotatoe245
Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false
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Mathematics, 21.06.2019 17:00, maddiehope6140
Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles
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Mathematics, 21.06.2019 20:30, Korkot7633
Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"
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Maria decides to keep placing a $1 bet on number 15 in consecutive spins of a roulette wheel until s...
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