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stepladder [879]
3 years ago
5

(HELP!)

Mathematics
2 answers:
denis-greek [22]3 years ago
7 0

Let X be the random variable denoting the number of girls that are born. Then X has a binomial distribution on n=125 babies and probability of getting a girl p=0.5. The probability we want is

\mathbb P(X\ge60)=\displaystyle\sum_{x=60}^{125}\binom{125}x0.5^{125-x}0.5^x\approx0.704=70.4\%

PSYCHO15rus [73]3 years ago
6 0

Answer:

B. 70.4% (APEX)

Step-by-step explanation:

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Illusion [34]
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7 0
3 years ago
The formula for the volume of a right circular cone is shown. Rewrite the formula so that it expresses the height h in terms of
zlopas [31]

Height of cone in term of volume is 3V / πr²

<u>Given that;</u>

Volume of cone = (1/3)(πr²h)

<u>Find:</u>

Height of cone

<u>Computation:</u>

We know that;

Volume of cone = (1/3)(πr²h)

We have to calculate height from above given formula.

V = (1/3)(πr²h)

3V = πr²h

3V / πr² = h

So,

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brainly.com/question/24193757?referrer=searchResults

8 0
2 years ago
S) 27(8) - 24i(2) + 30​
solong [7]

Answer:

198

Step-by-step explanation:

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Have a great day

Mark brainliest

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Mariulka [41]

Answer:

it is (-4,8)

Step-by-step explanation:

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