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According to a recent survey, 59% of adults say they never wear a helmet when riding a bike. Suppose we randomly select 180 adults and find 53% of the sample say they never wear a helmet when riding a bike. Which of the following correctly describes the distribution for the proportion of adults in the sample who never wear a helmet whern riding a bike? 7,

A. pAN(0.53,0.0372)
B. X ~ AN(95.4, 6.6961)
C. pAN(0.59, 0.0367)
D. AN(0.53, 0.0014)
E. None of the above.

User Mefitico
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1 Answer

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Final answer:

The distribution for the proportion of adults in the sample who never wear a helmet when riding a bike can be described by the formula pAN(0.53, 0.0372).

Step-by-step explanation:

The distribution for the proportion of adults in the sample who never wear a helmet when riding a bike can be described by the formula pAN(0.53, 0.0372) as stated in option A.

To explain further, pAN stands for the proportion approximate normal distribution. The first parameter represents the mean, which is 0.53 (53%). The second parameter represents the standard deviation, which is 0.0372 (3.72%). Therefore, the correct answer is A. pAN(0.53, 0.0372).

User Eric Smekens
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