Three and a half more than a number
Answers
Answer:
x + 3.5
Step-by-step explanation:
You are adding
hopefully this helps you:)
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write the sentence as an equal
Answers
Answer:
A=t+258
Step-by-step explanation:
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Answers:
A: -3
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D: 4
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Answer:
The answer to this question is 4
Step-by-step explanation:
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Answers
Answer: Our required probability is 0.004672.
Step-by-step explanation:
Since we have given that
Number of adults = 7
Probability of getting adult will watch prime time TV live = 0.8
We need to find the probability that fewer than 3 of the selected adults watch prime time live.
We will use "Binomial Distribution":
here, n = 7
p = 0.8
So, P(X<3)=P(X=0)+P(X=1)+P(X=2)
So, it becomes,
So, probability that fewer than 3 of the selected adult watch prime time live is given by
Hence, our required probability is 0.004672.
Final answer:
This problem relates to the binomial distribution and requires us to find the sum of binomial probabilities for 0, 1, and 2 successes (adults watching live TV) out of seven trials (the seven randomly selected adults).
Explanation:
This question is utilizing the concept of binomial distribution. The probability of a randomly selected adult watching prime-time TV live is 0.8. We want to find the probability that fewer than 3 out of 7 randomly selected adults watch prime-time live.
We find this by adding up the probabilities for 0, 1, and 2 adults watching live TV using the binomial distribution formula: P(X=k) = C(n, k) * (p^k) * ((1-p)^(n-k)), where C(n, k) denotes the number of combinations of n items taken k at a time, p is the probability of success, and n is the number of trials.
We get:
- P(X=0) = C(7, 0) * (0.8^0) * ((1-0.8)^(7-0))
- P(X=1) = C(7, 1) * (0.8^1) * ((1-0.8)^(7-1))
- P(X=2) = C(7, 2) * (0.8^2) * ((1-0.8)^(7-2))
Adding these up will give the total probability that fewer than three adults out of seven watch prime-time live.
Learn more about Binomial Distribution here:
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