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taurus [48]
2 years ago
15

95% of 45 is what number

Mathematics
2 answers:
Assoli18 [71]2 years ago
5 0

Answer:

42.75

Step-by-step explanation:

Of means multiply and is means is

95% * 45 = W

Change to decimal form

.95 * 45 = W

42.75

DENIUS [597]2 years ago
3 0

Answer:

42.75

Step-by-step explanation:

95% of 45

95% = 0.95

Multiply

0.95(45)

42.75

Hope this helps :)

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200 chairs on 40 rows ___ in each row (answer it please)
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Researchers claim that 8% of people have blue eyes. Suppose the researchers' claim is true. Mrs. Greene has a Geometry class wit
vovikov84 [41]

Answer:

Probability that exactly 5 of them have blue eyes is 0.1165.

Step-by-step explanation:

We are given that Researchers claim that 8% of people have blue eyes. Suppose the researchers' claim is true. Mrs. Greene has a Geometry class with 40 students.

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 = 40 students

            r = number of success = exactly 5

           p = probability of success which in our question is % of people

                 having blue eyes, i.e; 8%

<em>LET X = Number of students having blue eyes</em>

So, it means X ~ Binom(n= 40,p=0.08)

Now, Probability that exactly 5 of them have blue eyes is given by = P(X = 5)

        P(X = 5) =  \binom{40}{5}\times 0.08^{5} \times (1-0.08)^{40-5}

                      =  658008 \times 0.08^{5}  \times 0.92^{35}

                      = 0.1165

                

Therefore, Probability that exactly 5 of them have blue eyes is 0.1165.

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Answer:

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Step-by-step explanation:

-5 square root x =15

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√x = 15/-5 = -3

Squaring both sides:

x = 9.

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B -6 because absolute value ignores negatives
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