A statistical analysis of 1,000 long-distance telephone calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed, with µ = 240 seconds and o = 40 seconds. (A) What is the probability that a call lasted less than 180 seconds? Answer: (B) What is the probability that a call lasted between 180 and 300 seconds? Answer: (C) What is the probability that a call lasted between 120 and 180 seconds? Answer: d. 1% of all calls will last less than how many seconds? Answer :
A statistical analysis of 1,000 long-distance telephone calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed, with µ = 240 seconds and o = 40 seconds. (A) What is the probability that a call lasted less than 180 seconds? Answer: (B) What is the probability that a call lasted between 180 and 300 seconds? Answer: (C) What is the probability that a call lasted between 120 and 180 seconds? Answer: d. 1% of all calls will last less than how many seconds? Answer :
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Answer for questions C),D) from the word bank.
![A statistical analysis of 1,000 long-distance telephone calls made from the headquarters of the Bricks and Clicks Computer
Corporation indicates that the length of these calls is normally distributed, with µ = 240 seconds and o = 40 seconds.
(A) What is the probability that a call lasted less than 180 seconds? Answer:
(B) What is the probability that a call lasted between 180 and 300 seconds? Answer:
(C) What is the probability that a call lasted between 120 and 180 seconds? Answer:
d. 1% of all calls will last less than how many seconds? Answer :
Banco de palabras:
0.8664
0.0655
0.4332
333
0.0668 147
0.4987](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F69a3ce77-8016-48d1-8c94-7036ca1eb06e%2F32c2243a-0bb2-4a34-a27b-246eb816c64b%2Fyx1dj9k_processed.png&w=3840&q=75)
Transcribed Image Text:A statistical analysis of 1,000 long-distance telephone calls made from the headquarters of the Bricks and Clicks Computer
Corporation indicates that the length of these calls is normally distributed, with µ = 240 seconds and o = 40 seconds.
(A) What is the probability that a call lasted less than 180 seconds? Answer:
(B) What is the probability that a call lasted between 180 and 300 seconds? Answer:
(C) What is the probability that a call lasted between 120 and 180 seconds? Answer:
d. 1% of all calls will last less than how many seconds? Answer :
Banco de palabras:
0.8664
0.0655
0.4332
333
0.0668 147
0.4987
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