haleymoodie249 haleymoodie249

16-12-2022
Mathematics

Answered

a random sample of 225 households in a large city revealed that the mean number of televisions per household was 2.8. the sample standard deviation was 1.5. can we conclude at the 5% significance level that the true mean number of televisions per household is at least 2.5? what is the appropriate test to perform?

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