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2 years ago

6

Find the value of x. needed ASAP

1 answer:

kotykmax [81]2 years ago

5 0

7 is your answer to ur question

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A box contains 15 yellow,15 orange, and 15 green tennis balls. If Izzy draws a tennis ball at random out of the box,what is the

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The answer would be 1/45

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4 years ago

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ivolga24 [154]

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find the volume of the following comes with the given dimensions. round your answer to the nearest hundredth. diameter=4ft heigh

Masja [62]

Answer:

4

Step-by-step explanation:

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3 years ago

Help a girl out? please

shusha [124]

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21/20

Step-by-step explanation:

3 0

3 years ago

The variance Var(x) for the binomial distribution is given by equation :

aliina [53]

Answer: d. np(1 - p).

Step-by-step explanation:

Let x be any binomial variable which represents the number of success such that $X\sim B(n, p)$ , where n is the sample size or the total number of trials and p is the probability of getting success in each trial .

Then, the mean E(x) and the variance Var(x) for the binomial distribution is given by equation :

$E(x)=\mu=np$

$Var (x)=\sigma^2=np(1-p)$

where n is the sample size or the total number of trials and p is the probability of getting success in each trial .

Therefore , the correct option is option d. np(1 - p) .

6 0

3 years ago