It Is Estimated That 30% of Households Own a Riding

question 110

Multiple Choice

It is estimated that 30% of households own a riding lawn mower. A sample of 12 households is studied. What is the probability that no more than 3 of these own a riding
Lawn mower?

• A) 0.7472
• B) 0.4925
• C) 0.5075
• D) 0.2528

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Definitions:

Critical Value

A threshold in hypothesis testing that determines the boundary for rejecting or failing to reject the null hypothesis.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it marks the threshold of statistical significance.

P Value

The probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is correct.

Null Hypothesis

A statement proposing no significant difference or relationship between variables, serving as a default assumption to be tested against.