DPregunta 6 1 ptos. IQ scores are normally distributed with a mean of 100 and a

Question

DPregunta 6 1 ptos. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Determine the smallest sample size n that would ensure at least a 99% chance that the sample mean score is within 3 points of the mean. Round your answer up to the next whole number. Pregunta 7 1 ptos. Given the following population data, mean salary of $50,000 and a standard deviation of $4105, find the smallest sample size n that will guarantee at least a 80% chance of the sample mean income being within $615 of the population mean income. Round your answer up to the next whole number.

Explanation / Answer

DPregunta 6 1 ptos. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Determine the smallest sample size n that would ensure at least a 99% chance that the sample mean score is within 3 points of the mean. Round your answer up to the next whole number. Pregunta 7 1 ptos. Given the following population data, mean salary of $50,000 and a standard deviation of $4105, find the smallest sample size n that will guarantee at least a 80% chance of the sample mean income being within $615 of the population mean income. Round your answer up to the next whole number.

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.