10.2% of the population is 65 or older. Find the probability that the following number of persons selected at randomfrom 20 people are 65 or older.The probability that none are 65 or older is 0.116.(Type an integer or decimal rounded to the nearest thousandth as needed.)The probability at most 2 are 65 or older is(Type an integer or decimal rounded to the nearest thousandth as needed.)

Answer:- Given, 10.2% of the population is 65 or older. That is, The probability of success on a…

Answered: 10.2% of the population is 65 or older.…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

A shipment of 50 inexpensive digital watches, including 10 that are defective, is sent to a department store. The receiving department selects 10 at random for testing and rejects the whole shipment if 1 or more in the sample are found defective. What is the probability that the shipment will be rejected? (Simplify your answer. Type an integer or decimal rounded to two decimal places as needed.)
The probability that an individual is left-handed is 0.140. In a class of 20 students, what is the probability of finding five left-handers? Round the answer to the nearest thousandth. O A. 0.250 OB. 0.140 O C. 0.087 O D. 0.000
Fifty-three percent of all U.S. citizens have some college education. Choose 10 people at random, find the probability that at least 5 DO NOT have some college education. Round your answer into the nearest ten-thousandth (that is, 4 decimal places.)
A bag of candy was opened and the number of pieces was counted. The results are shown in the table below: Color Number Red 20 Brown 16 Green 22 Blue 14 Yellow 12 Orange 26 Find the probability that a randomly selected piece is not blue. Round to the nearest hundredth.
Of the cartons produced by a company, 10% have puncture, 9% have a smashed corner, and 1.4% have both a puncture and a smashed corner. Find the probability that a randomly selected carton has a puncture or a smashed corner. The probability that a randomly selected carton has a puncture or a smashed corner 17.6%. (Type an integer or a decimal. Do not round.) C
Which of the following numbers could be the probability of an event? 0.24, 0.46, 1, 1.56, 0, 0.07
Answer the following questions about 3 numbers chosen from the numbers 1 through 16 (including 1 and 16): Suppose the numbers are chosen with replacement. What is the probability that the numbers chosen include both even and odd ones? Suppose now the numbers are chosen without replacement. What is the probability that the numbers chosen include both even and odd ones?
5. When a roulette wheel is spun a ball ends up on one of the 40 numbers located on it; 19 of the numbers are black, 19 are red and 2 are green. Find the following: a. the probability that the ball lands on a green number. b. the probability that the ball lands on a number that is not red.
Fourteen percent of U.S. residents are in their twenties. Consider a group of eight U.S. residents selected at random. Find the probability that the number of people in the group who are in their twenties is - a. Exactly Two b. None С. Four or Five d. One or Two
The following table describes the contents of a bag that contains red, green, blue, pink, and white marbles. Color Number of Marbles Red 23 Green 2 Blue 27 Pink 15 White 10 If you select a single marble out of the bag, what is the probability that it is a color other than white or blue? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
A spinner with nine equal-sized sections numbered one to nine is spun once. What is the probability that the spinner will land on a number that is not a multiple of three?A. 2/3 B. 1/3 C. 5/9 D. 7/9
The probability that a person in the US has a type A positive blood is 30%. Three unrelated people in the US are selected at random. a. Find the probability that all three have A positive blood. b. Find the probability that none of the three have type a positive blood. c. Find the probability that at least one of the three has A positive blood.

SEE MORE QUESTIONS

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS