A study of 199 advertising firms revealed their income after taxes: Income after

Question

A study of 199 advertising firms revealed their income after taxes: Income after Taxes Number of Firms Under $1 million $1 million to $20 million $20 million or more 105 51 43 What is the probability an advertising firm selected at random has under $1 million in income after taxes? (Round your answer to 2 decimal places.) a. Probability b.1. What is the probability an advertising firm selected at random has either an income between $1 million and $20 million, or an income of $20 million or more? (Round your answer to 2 decimal places.) Probability b-2. What rule of probability was applied? Rule of probability (Click to select) (Click to select) Rule of complements only Either References eBoc Special rule of addition only

Explanation / Answer

a)
Total numbers of firms=105+51+43=199
P under $1 million in income)=105/199=0.53

b)
required probability=51/199 + 43/199 =0.47
Required probability by complements=1-0.53=0.47

c)
Either

if you have doubt ask in comment ,give thumbs up if you like work

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.