Binomial formula is :
$P ( k = 4 ) = nCk * p ^{k}(1-p) ^{n}= \\ =495 * 0.4 ^{4}* ( 0.6 ) ^{8}=$
= 495 * 0.0256 * 0.0167961 =
= 0.21284 ≈ 0.213
Answer: C ) 0.213

3 0

3 years ago

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Yuliya22 [10]

Answer:

C (-2, 0)

Step-by-step explanation:

y = x+2

intersect the x-axis when y = 0, then

0 = x+2

x = -2

7 0

3 years ago

What is the theoretical probability that the dial will land on the number 5? Enter your answer in all forms

Sedbober [7]

Answer:

1/3

Step-by-step explanation:

There are four 5's on the dial out of 12 possible stops

4/12 = 1/3 theoretical

5 0

2 years ago

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