Melissa bought many lottery tickets to try to figure out the probability of her losing, getting her money back, or winning. She
2 answers:
Answer:
Probability of losing = 0.514
Probability of getting money back = 0.108
Probability of winning = 0.378
Step-by-step explanation:
The number of tickets that lost = 57
The number of tickets where she got her money back = 12
The number of tickets that won = 42
The total number of tickets = 57 + 12 + 42 = 111
∴ The probability of her losing =
The probability of getting her money back =
The probability of winning =
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Answer:
for an infinite geometric series the formula for the sum of the infinite geometric series when the common ratio is less than one is given by
=
= 144.
Step-by-step explanation:
i) from the given series we can see that the first term is = 120.
ii) let the common ratio be r.
iii) the second term is 20 = 120 × r
therefore r = 20 ÷ 120 =
iv) the third term is = 20 × r
therefore r = ÷ 20 =
v) for an infinite geometric series the formula for the sum of the infinite geometric series when the common ratio is less than one is given by
=
= 144.