subject
Mathematics, 20.02.2020 20:59 cluchmasters3831

Suppose the time it takes a data collection operator to fill out an electronic form for a database is uniformly distributed between 1.3 and 2.1 minutes.(a) Determine the mean of X (in minutes) (Round your answer to 2 decimal places.)(b) Determine the variance of X (in minutes2) (Round your answer to 4 decimal places.)(c) What is the probability it will take less than two minutes to fill out the form? (Round your answer to 3 decimal places.)(d) What is the probability it will take more than 90 seconds to fill out the form? (Round your answer to 3 decimal places.)

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
If a fair 6 sided cube is rolled 60 times, theoretically how many times should you expect to roll a 4 or a 5?
Answers: 1
question
Mathematics, 21.06.2019 14:30
Use the multiplier method to incrases £258 by 43%
Answers: 1
question
Mathematics, 21.06.2019 18:10
Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180
Answers: 1
question
Mathematics, 21.06.2019 21:10
Consider circle o, where and . m∠bpd °. °.
Answers: 3
You know the right answer?
Suppose the time it takes a data collection operator to fill out an electronic form for a database i...
Questions
question
Mathematics, 08.12.2020 15:10
question
Mathematics, 08.12.2020 15:10
Questions on the website: 13722367