The lengths of great white sharks follow a normal
distribution. It is assumed that the averag...
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Mathematics, 18.04.2020 02:21 adjjones2011
The lengths of great white sharks follow a normal
distribution. It is assumed that the average length is 22 feet.
A sample of 9 great white sharks caught off the coast of Australia averaged 24 feet with a standard deviation of 3 feet. The calculated statistic (24−22) /(3 sq. r. 9)
A) follows a z distribution with 10 degrees of freedom.
B) follows a t distribution with 10 degrees of freedom.
C) follows a z distribution with 8 degrees of freedom.
D) follows a t distribution with 8 degrees of freedom.
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