Question

Binomial with n = 8 and p = 0.25 x P(X = x) 0 0.100113 1 0.266968 2 0.311462 3 0.207642 4 0.086517 5 0.023071 6 0.003845 7 0.000366 8 0.000015 a) What is the probability of exactly 2 successes? b) What is the probability of 4 or more successes? c) What is the probability of 2 or less successes?

          Binomial with n = 8 and p = 0.25
x P(X = x)
0 0.100113
1 0.266968
2 0.311462
3 0.207642
4 0.086517
5 0.023071
6 0.003845
7 0.000366
8 0.000015
a) What is the probability of exactly 2 successes?
b) What is the probability of 4 or more successes?
c) What is the probability of 2 or less successes?

Binomial with n = 8 and p = 0.25
x P(X = x)
0 0.100113
1 0.266968
2 0.311462
3 0.207642
4 0.086517
5 0.023071
6 0.003845
7 0.000366
8 0.000015
a) What is the probability of exactly 2 successes?
b) What is the probability of 4 or more successes?
c) What is the probability of 2 or less successes?

Added by Rachel H.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

09/05/2023

Step 1

In this case, n = 8 and p = 0.25. Show more…

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Binomial with n = 8 and p = 0.25 P(X = 0) = 0.100113 P(X = 1) = 0.266968 P(X = 2) = 0.311462 P(X = 3) = 0.207642 P(X = 4) = 0.086517 P(X = 5) = 0.023071 P(X = 6) = 0.003845 P(X = 7) = 0.000366 P(X = 8) = 0.000015 What is the probability of exactly 3 successes? What is the probability of 4 or more successes? What is the probability of 2 or less successes?