According to the U.S. Census Bureau, 74.8% of households in the United States had home Internet access
Question:
According to the U.S. Census Bureau, 74.8% of households in the United States had home Internet access in 2012.
a. Suppose 10 households in the United States are randomly chosen; what is the probability that all of them have home Internet access?
b. Suppose 10 households in the United States are randomly chosen; what is the probability that exactly 7 of them have home Internet access?
c. Suppose 10 households in the United States are randomly chosen; what is the probability that 7 or more of them have home Internet access?
d. Suppose 10 households in one neighborhood in the United States are randomly chosen and we want to find the probability that 7 or more of them have home Internet access. Is that probability the same as you determined in part (c)? Explain.
Step by Step Answer:
Introduction To Statistical Investigations
ISBN: 9781119683452
2nd Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy