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Author Question: One student is selected at random from a student body. Suppose the probability that this student is ... (Read 158 times)

leo leo

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on: Jul 25, 2018
One student is selected at random from a student body. Suppose the probability that this student is male is 0.5, and the probability that this student is working a part-time job is 0.7.
 
  A) It cannot be determined whether these events are mutually exclusive.
  B) These events male and working are not mutually exclusive.
  C) These events male and working are mutually exclusive.

Question 2

A scientist was studying the effects of a mosquito pesticide on birds. She captured 10 birds of each of 3 different species in the area sprayed with the pesticide and in the area not sprayed with pesticide.
 
  The weights, number of eggs in nest, beak length, and color quality was recorded for each. Identify the data collection method.
  A) published source B) designed experiment
  C) survey D) observational study


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mbcrismon

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Reply #1 on: Jul 25, 2018
Answer to Question 1

B

Answer to Question 2

B


leo leo

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Reply 2 on: Jul 25, 2018
Wow, this really help

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Reply 3 on: Yesterday
Excellent

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