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(b) 6 coins are tossed simultaneously. What is the probability that they will fall with 4 heads and 2 tails up?

(b) 6 coins are tossed simultaneously. What is the probability that they will fall with 4 heads and 2 tails up?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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(a) Given that four airlines provide service between Chicago and California In how many distinct ways can a person select airlines for a trip from Chicago to California and back, if (1) he must travel both the ways by the same airline, and (2) he travels from Chicago to California by one airline and returns by another? (b) 6 coins are tossed simultaneously. What is the probability that they will fall with 4 heads and 2 tails up? (c) If A is the event of getting a prize on the first punch, and B the event of getting the prize on the second punch, calculate the probability of getting two prizes taking two punches on a punch board which contains 20 blanks and five prizes? (d) In how many ways can the word 'PROBABILITY' be arranged? (e) What is the probability of getting a number greater than two with an ordinary dice?
Transcribed Image Text:(a) Given that four airlines provide service between Chicago and California In how many distinct ways can a person select airlines for a trip from Chicago to California and back, if (1) he must travel both the ways by the same airline, and (2) he travels from Chicago to California by one airline and returns by another? (b) 6 coins are tossed simultaneously. What is the probability that they will fall with 4 heads and 2 tails up? (c) If A is the event of getting a prize on the first punch, and B the event of getting the prize on the second punch, calculate the probability of getting two prizes taking two punches on a punch board which contains 20 blanks and five prizes? (d) In how many ways can the word 'PROBABILITY' be arranged? (e) What is the probability of getting a number greater than two with an ordinary dice?
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