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GarryVolchara [31]

2 years ago

9

The Johnson family ordered 2 cheese pizzas and 4 pepperoni from Pizza Hut for a college football watching party. They finished 1

2/5 cheese pizzas and 3 1/5 pepperoni pizzas. How much pizza was eaten at the party in all?

1 answer:

Agata [3.3K]2 years ago

5 0

Answer:

4 3/5

Step-by-step explanation:

you first do 1 plus 3 which equals 4 then do 2/5 plus 1/5 which equals 3/5

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leva [86]

Answer:

$P(X=7)$

And using the probability mass function we got:

$P(X=7)=(15C7)(0.23)^7 (1-0.23)^{15-7}=0.0271$

Step-by-step explanation:

Let X the random variable of interest, on this case we now that:

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The probability mass function for the Binomial distribution is given as:

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Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

And we want to find the following probability:

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And using the probability mass function we got:

$P(X=7)=(15C7)(0.23)^7 (1-0.23)^{15-7}=0.0271$

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Yes I think that is correct

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