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xxTIMURxx [149]
3 years ago
12

Help with 21 please 22 is not needed

Mathematics
1 answer:
Gwar [14]3 years ago
8 0
We can't see the whole question :/
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Given that f(x) = 2x −5, find the value of x that makes f(x) = 15.
svp [43]
F(x)  = 2 x - 5

15 = 2 x - 5

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3 years ago
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A meteorologist in denver recorded y = the number of days of rain during a 30-day period. does y have a binomial distribution? i
olga_2 [115]

Solution: Yes, the random variable y will have a binomial distribution. Because there are two possible outcomes 1. number of days of rain and 2. number of days of no rain.

The parameters of binomial distribution are n and p

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\therefore p=\frac{y}{n} =\frac{y}{30}


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