A game is played in a school to raise money for charity. each player pays 30p to enter. to win a bag of crisps, you must score 7. the probability of getting a 7 is 1/3. each packet of crisps costs 20p how much will the school expect to raise?

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

b. x + 1

step-by-step explanation:

i'am smart

can you make your screen more see able?

then i might be able to .