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3 years ago

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Mathematics

1 answer:

Natalija [7]3 years ago

5 0

Hello there!

The answer would be C since we are looking to find how far she ran based on the amount of miles that has passed.

As stated above, 6 minutes. However to find out how far she runs we have to change the speed to miles per minute.

6 minutes per mile is equal to 1/6 of a mile per minute

Formula for Distance is speed x time

The distance is d, the time is t and the speed is 1/6.

Plug it in:

d = 1/6t

Lastly, multiply by 6 on both sides.

d x 6 = 1/6t x 6

1/6 x 6 = 1t

6d = 1t

Answer: t= 6d

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3 years ago

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3 years ago

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A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n indepe

-Dominant- [34]

Answer: 0.0031

Step-by-step explanation:

Binomial distribution formula :-

$P(x)=^nC_xp^x(1-p)^{n-x}$ , where P(x) is the probability of x successes in the n independent trials of the experiment and p is the probability of success.

Given : A binomial probability experiment is conducted with the given parameters.

$n=9,\ p=0.8,\ x\leq3$

Now, $P(x\leq3)=P(3)+P(2)+P(1)+P(0)$

$=^9C_3(0.8)^3(1-0.8)^{9-3}+^9C_2(0.8)^2(1-0.8)^{9-2}+^9C_1(0.8)^1(1-0.8)^{9-1}+^9C_0(0.8)^0(1-0.8)^9\\\\=\dfrac{9!}{3!6!}(0.8)^3(0.2)^6+\dfrac{9!}{2!7!}(0.8)^2(0.2)^7+\dfrac{9!}{1!8!}(0.8)(0.2)^8+\dfrac{9!}{0!9!}(0.2)^9=0.003066368\approx0.0031$

Hence, $P(x\leq3)=0.0031$

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4 years ago

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Aneli [31]

Answer:

The answer would be 15. Your welcome my good sir

Step-by-step explanation:

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2 years ago

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