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Author Question: If the coefficient of correlation is .90, then the coefficient of determination a. is also .90. b. ... (Read 95 times)

BRWH

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on: Jun 24, 2018
If the coefficient of correlation is .90, then the coefficient of determination
 a. is also .90.
  b. is either .81 or -.81.
  c. will be -.90.
  d. must be .81.

Question 2

The time it takes a worker on an assembly line to complete a task is exponentially distributed with a mean of 8 minutes.
 a. What is the probability density function for the time it takes to complete the task?
  b. What is the probability that it will take a worker less than 4 minutes to complete the task?
  c. What is the probability that it will take a worker between 6 and 10 minutes to complete the task?


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amit

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Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

a. f(x) =(1/8 ) e-x/8 for x > 0
b. 0.3935
c. 0.1859


BRWH

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

TheDev123

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Reply 3 on: Yesterday
Wow, this really help

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