Mathematics, 20.04.2021 08:00 tydariousgamer

A random sample of 13 $1 Trifecta tickets at a local racetrack paid a mean amount of $52.23 with a sample standard deviation of $3.35. Is there sufficient evidence to conclude that the average Trifecta winnings exceed $50? Use a 10% significance level and assume the distribution is approximately normal. What is the critical value?

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A random sample of 13 $1 Trifecta tickets at a local racetrack paid a mean amount of $52.23 with a s...

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