Help, I have a time limit for this

Mathematics

1 answer:

salantis [7]2 years ago

5 0

Answer:

I believe that it is the first one.

Step-by-step explanation:

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A pizza company makes pizza in three different sizes: small, medium, large. There are four possible toppings: pepperoni, sausage

Sedaia [141]

Sample space = {s1, s2, s3, s4, m1, m2, m3, m4, l1, l2, l3, l4, s1234, s123, s124, s12, s13, s14, s23, s24, s34, m1234, m123, m12, m13, m14, m23, m24, m34, l1234, l123, l12, l13, l14, l23, l24, l34}

total with one topping = 12

s - small
m - medium
l - large
1 - pepperoni
2 - sausage
3 - green pepper
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2 years ago

The space shuttle flight control system called PASS (Primary Avionics Software Set) uses four independent computers working in p

tigry1 [53]

Answer:

$f_X(k)=\binom{4}{k}0.003^k0.997^{4-k}$

Step-by-step explanation:

Recall that a <em>probability mass function</em> defined on a discrete random variable X is just a function that gives the probability that the random variable equals a certain value k

$f_X(k)=P(X=k)$