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Stolb23 [73]
3 years ago
9

Hunter spent 2/3 of his money on a video game before spendibg half of his money on lunch. If his lunch money is 10 dollsrs how m

uch money did he have at first
Mathematics
1 answer:
lilavasa [31]3 years ago
7 0
Take 10 and times it by 3 which would equal 30. Now you would do that because 10 is the missing 1/3 so you add 2/3 = 20 plus 1/3 = 10 so 10+20=30. That would be how much money he had at first
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Step-by-step explanation:

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Step-by-step explanation:

step 1. let l be the length of the rectangle

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step 4. (2x + 4)x = 390

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Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following p
aev [14]

Answer:

P(X < 3) = 0.7443

Step-by-step explanation:

We are given that the random variable X has a binomial distribution with the given probability of obtaining a success. Also, given n = 6, p = 0.3.

The above situation can be represented through Binomial distribution;

P(X=r) = \binom{n}{r}p^{r} (1-p)^{n-r} ; x = 0,1,2,3,.....

where, n = number of trials (samples) taken = 6

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           p = probability of success which in our question is 0.3.

LET X = a random variable

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Now, Probability that X is less than 3 = P(X < 3)

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)

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             = 1 \times 1 \times 0.7^{6}  +6 \times 0.3^{1}  \times 0.7^{5}  +15 \times 0.3^{2}  \times 0.7^{4}

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Therefore, P(X < 3) = 0.7443.

5 0
4 years ago
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