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Author Question: According to Manhattan Research, 44 of physicians surveyed said they communicate with patients ... (Read 28 times)

s.tung

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on: Jun 24, 2018
According to Manhattan Research, 44 of physicians surveyed said they communicate with patients through e-mail. A random sample of 120 physicians was selected. What is the probability that 50 or more from this sample e-mail their patients?
 
  A) 0.4168
  B) 0.4830
  C) 0.6042
  D) 0.6950

Question 2

Because each observation from a sample for the sign test must be assigned a plus or minus sign, this sampling distribution can be said to follow the _____________ probability distribution.
 
  A) Student's t
  B) exponential
  C) Poisson
  D) binomial


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tranoy

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

D

Answer to Question 2

D


s.tung

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Reply 2 on: Jun 24, 2018
Gracias!

bitingbit

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Reply 3 on: Yesterday
Wow, this really help

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