The chances ofa tax retum being audited are about 12 in 1,000 ifan income is less than $100,000 and 40 in 1,000 if an income is $100,000 or more.
Complete parts 2 Through e.
a. “What is the probability that a taxpayer with income less than $100,000 will b

According to a consumer survey of'young adults (18—24 years ofage) who shop online, 22%: own a Jnobile phone with internet access. In a random
sample of 200 young adults who shop online, let x be the number who own a mobile phone with internet access.
a.

A national standard requires that public bridges over 2.0 feet in length must be inspected and rated every 2. years. The rating scale ranges fronl D
(poorest rating) to 9 {highest rating). A group ofengineers used a probabilistic model to forecast the ins

A country's govermnent has devoted considerable funding to missile defense research over the past 20 years. The latest development is the
Space—Based infrared System (SBIRS), which uses satellite imagery to detect and track missiles. The probability that

The chances ofa tax retum being audited are about 12 in 1,000 ifan income is less than $100,000 and 40 in 1,000 if an income is $100,000 or more.
Complete parts 2 Through e.
a. “What is the probability that a taxpayer with income less than $100,000 will b