A community group sells 2,000 tickets for its raffle. The grand prize is a car. Neil and his 9 friends buy 10 tickets each. When
2 answers:
Answer: 1/10
Step-by-step explanation:
Here, Total ticket = 2000
According to the question, ticket bought by Neil's group = 10 × 10= 100 ( because there are 10 person in group and each bought 10 tickets)
Therefore, Probability that Neil's group won the prize, P(G) = 100/2,000= 1/20
Now, The probability that Neil and group won,
Thus, the probability that Neil won when it is found that Neil's group won,
=
= 1/10
Thus, P(N/G)= 1/10
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Answer:
<h3>A. </h3>- log
= log 3
- x³ log x = log 3
- 3x³ log x = 3 log 3
- x³ log x³ = log 3³
= 3³
- x³ = 3
- x =
- 4ˣ + 6ˣ = 9ˣ
- 2²ˣ + 2ˣ3ˣ = 3²ˣ
<u>Divide both sides by 2²ˣ</u>
- 1 + (3/2)ˣ = (3/2)²ˣ
<u>Substitute (3/2)ˣ = t</u>
- t² - t - 1 = 0
<u>Solve for t:</u>
- t = (1 ± √5)/2
<u>Positive root is considered as (3/2)ˣ can't be negative.</u>
- (3/2)ˣ = (1 + √5)/2
- x = log [(1 + √5)/2] / log (3/2)
- x = 1.18681439028
I am going to say it’s C
Hope it helps!
Hope it helps!