The arrival time of an elevator in a 12-story dormitory is equally likely at any time during the next 55 minutes.a. Calculate the expected amival time. (Round your answer to 2 decimal pleces)Expected artival imeb. What is the probability that an elevator arrives in less than 2.6 minutes? (Round intermediate calculetions to at lenst 4 decimalplaces and finel answer to 3 decimal pleces.)Probabilityc. What is the probability that the walt for an elevator is more than 2.6 minutes? (Round intermediate calculations to at least 4decimal places and final answer to 3 decimal pleces)Probability

Answered: Image /qna-images/answer/7c48fa59-6f2c-4c40-93e4-2bfbd0a5ff44.jpg

Answered: Expected artval ime b. What is the…

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...

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Of 1232 people who came into a blood bank to give blood, 397 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure. Round to three decimal places as needed. @ ? OA. 0.241 OB. 0.322 OC. 0.29 OD. 0.373 औ W S X H mand # 3 80 E D C $ 4 Q F4 R F % ла 5 V T G 6 MacBook Air B FO Y H & 7 F7 U N * 8 J DII - M ( 9 K DD F9 O < O I 20 do L Time Remaining: 01:06:54 P ^ : FI ; { + [ = 11 T P 1 ? Next command option } 1 delet
1. be a probability? Can the value
In a hospital, about 3 patients came to the emergency room between 5:00 and 6:00 p.m. The probability that at least one patient came to the emergency room between 5:00 and 6:00 p.m. is ...... Select one: Oa. 0.8009 Ob. 0.9503 Oc. 0.1991 O d. 0.0497 Next pa Previous page
Between the hours of 2 and 4 p.m. the average number of phone calls per minute coming into the switchboard of a company is 2.5. Find the probability that during one particular minute there will be more than 6 phone calls.
Assume that the probability of getting a job that you applied for is 19%. Give all answers to at least 3 decimal places. a) What is the average number of jobs you need to apply to, before you get one job offer? b )If you have a criminal record, then your probability of getting a job that you applied for is 1/5 of your probability of getting a job without a criminal record. What is the average number of jobs you need to apply to, before you get one job offer if you have a criminal record?
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The width of a widget is evenly distributed between 5 cm and 15 cm . If the width of widget is less than 12 cm Find the probability that it is more than 9cm??
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You play 3 lottery games each week. The probability of winning the 1st game is 0.05. The probability of winning the 2nd game is 0.1 And, the probability of winning the 3rd game is 0.2. Assume these are independent events. Find the probability that you will win at least one of the games this week. Give the probability as a decimal. If rounding, give to 4 decimal places. The probability is 4:22 PM 2/16/2021 hp prt sc delete home fa 1+ 144 num & backspace lock 6. %3D % 7. 8 P YU T %23 96
a) Determine the probability that a randomly selected call was during the week. The probability is----- (Round to three decimal places as needed.) b. Determine the probability that a randomly selected call was less than 20 minutes. The probability is----- (Round to three decimal places as needed.) c. Determine the probability that a randomly selected call was 10 to less than 20 minutes. The probability is----- (Round to three decimal places as needed.) A call center for customer support records the time each customer requires for service and whether the call occurred during the week (Monday through Friday) or during the weekend (Saturday and Sunday). The results are shown in the accompanying table. Complete parts a through h. Time (minutes) Week Weekend Less than 5 15 4 5 to less than 10 27 3 10 to less than 15 12 8 15 to less than 20 23 5 More than 20 10 14
Cassandra buys a bag of cookies that contains 4 chocolate chip cookies, 8 peanut butter cookies, 6 sugar cookies and 8 oatmeal cookies. What is the probability that Cassandra reaches in the bag and randomly selects a sugar cookie from the bag, eats it, then reaches back in the bag and randomly selects an oatmeal cookie? Give your answer as a fraction, or accurate to at least 4 decimal places.
Ajar contains 3 pennies, 7 nickels and 4 dimes. A child selects 2 coins at random withoutreplacement from the jar. Let X represent the amount in cents of the selected coins.Round your answers to 3 decimal places.Find the probability X = 10.Find the probability X = 11.

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