Chapter 1. Tutorial: Binomial Computations

Problem Statement

{50,55,60,65,70,75,80}
rand(0,6)
60[2]
{0.0078125,0.0037367,0.0016384,0.0006434,0.0002187,0.0000610,0.0000128}
0.0016384[2]
{0.0078125,0.0152244,0.0279936,0.0490223,0.0823543,0.1334839,0.2097152}
0.0279936[2]
{0.0546875,0.0319695,0.0172032,0.0083641,0.0035721,0.0012817,0.0003584}
0.0172032[2]
{0.7734,0.8471,0.9037,0.9444,0.9712,0.9871,0.9953}
0.9037[2]
{0.266,0.1529,0.0963,0.0556,0.0288,0.0129,0.0047}
0.0963[2]
{0.7109,0.6479,0.5613,0.4587,0.3491,0.2422,0.1477}
0.5613[2]
{10,12,15,17,20,25,30}
rand(0,6)
20[4]
{7,8.4,10.5,11.9,14,17.5,21}
14[4]
{3,3.6,4.5,5.1,6,7.5,9}
6[4]
{1.45,1.59,1.77,1.89,2.05,2.29,2.51}
2.05[4]
{1.45,1.59,1.77,1.89,2.05,2.29,2.51}
2.05[4]

A basketball player makes 60% of her free throws. Suppose that she takes 7 free throws in a game.

Step 1

questions

Question 1

What is the probability that she misses ALL of her free throws? (Give your answer in decimal form, rounded to 7 decimal places. If less than 1, enter your answer in the format “0.#######) ____ .
Correct.
Incorrect.

Step 2

Question 4

What is the probability that she makes at least 3 free throws? (Give your answer in decimal form, rounded to 4 decimal places. If less than 1, enter your answer in the format “0.####”) _____.
Correct.
Incorrect.

Step 3

Suppose that another basketball player makes 70% of her free throws. Suppose that she takes 20 free throws in a game.

Question 7

What is the mean number of free throws that she will make? _____
Correct.
Incorrect.