Question
Acme Toy Company prints baseball cards. The company claims that 30% of the cards are rookies, 60% are veterans, and 10% are All-Stars. Suppose a
Acme Toy Companyprints baseball cards. The company claims that 30% of the cards are rookies, 60% are veterans, and 10% are All-Stars. Suppose a random sample has the following cards. Test Acme's claim that the distribution is a good fit with the prints of baseball cards at an=0.05level of significance.
Category ObservedFrequency ExpectedFrequency
Rookies 35
Veterans 100
All-Stars 15
Complete the table by calculating the expected frequencies.
- What is the chi-square test statistic?Round to three decimal places.
2=
2.What are the degrees of freedom?
degrees of freedom =
3.What is thep-value for this sample?Round to four decimal places.
p-value =
4.Is thep-value less than?
Yes
No
5.Make a decision.
- Reject the null.
- Fail to reject the null.
- Make a conclusion.
- There is not sufficient evidence to support the claim that Acme's distribution of baseball cards is a good fit.
- There is sufficient evidence to support the claim that Acme's distribution of baseball cards is a good fit.
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