Explain rule of probability

Assignment Help Mathematics

Reference no: EM13119189

Rule of Probability
A study of 203 advertising firms revealed their income after taxes:
Income after Taxes
Number of Firms

Under $1 million 102

$1 million to $20 million 54

$20 million or more 47

(a) 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.)

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 could be applied?

Reference no: EM13119189

Questions Cloud

Calculate the number of g of carbon dioxide produced : Strontium carbonate decomposes upon heating to strontium oxide and carbon dioxide. Calculate the number of g of carbon dioxide produced by heating 10.7 g of strontium.

Evaluate the magnitude of the normal force : Using Newton's laws, Evaluate the magnitude of the normal force that the floor exerts on the chair.

Which of the following adaptations is cell likely to have : An single-celled organism found in the Antarctic is adapted to low-temperature conditions. Which of the following adaptations is this cell likely to have?

Is sample large enough to give the margin of error : Do you think a sample of 25 is large enough to give them the margin of error they want? If not, how large a sample do you suggest they take?

Explain rule of probability : Rule of Probability, A study of 203 advertising firms revealed their income after taxes: 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.)

Determining social inequalities : Using critical thinking, discuss social stratification in terms of social class, status, and power. Can you determine someone's social class, status, and power merely by their appearance? What factors may be misleading?

What is the mass percent of acetic acid present : A 5.0 ml sample of vinegar was titrated with 7.2 ml of 0.55 M NaOH. if the density of vinegar solution is 1.00g/ml, what is the mass percent of acetic acid present.

Calculate the probability a random variable t is selected : Calculate the probability, A random variable T is selected that is uniformly distributed over the interval

Determining trinomials and factoring : Choose three integers a, b, and c. (Negative numbers are welcome.) Now use a, b, and c to create a trinomial ax2+bx+c. Can you factor this trinomial? How would you create a trinomial that will factor?

User Account

All Pages