A Researcher Records the Following Number of Birdcalls Made During

question 28

Multiple Choice

A researcher records the following number of birdcalls made during an experimental session with robins: 7.2 ± 0.6 (M ± SD) .Assuming these data are normally distributed,what is the probability that robins made more than nine birdcalls during this experimental session?

• A) .9987
• B) .4987
• C) .0013
• D) The probability is not listed in the unit normal table.

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