in a game of chance, players pay $5 for a chance to win one of two prizes: a $100 gift card or a $20 gift card. the probability of winning the $100 gift card is 0.006 and the probability of winning the $20 gift card is 0.14. find the expected value (win or loss) per game. g

29.5977692753

step-by-step explanation:

c

step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

false

step-by-step explanation:

false : it can not go to 9 the highest that part can go is 7

here is your proof