SOLUTION: A claim is made that the proportion of
children who play sports is less than 0.5, and
the sample statistics include n = 1506 subjects
with 30% saying that they play a sport.
Algebra ->
Probability-and-statistics
-> SOLUTION: A claim is made that the proportion of
children who play sports is less than 0.5, and
the sample statistics include n = 1506 subjects
with 30% saying that they play a sport.
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Question 930520: A claim is made that the proportion of
children who play sports is less than 0.5, and
the sample statistics include n = 1506 subjects
with 30% saying that they play a sport. Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! Ho: p = .5
Ha: p < .5 (claim)
... = .0026 = -15.5
p(z < -15.2) = basically zero (1.7681x10^(-52))
p = .30 did not happen by accident
......
Evidence supports claim
