Question

need help with question 11

if 500 newborn rirphants are weighed instead of 50, it means the same sie has increased as sample size increases the variability in the sample mean decreases, also the interval size decreases Question 10 (5 points) An unknown distribution has a mean of 80 and a standard deviation of 12. A sample size of 95 is drawn randomly from the population. Find the sum that is two standard deviations above the mean of the sums. 7716.9615 uestion 11 (5 points) A researcher measures the amount of sugar in several cans of the same soda. The mean is 39.01 with a standard deviation of 0.5. The researcher randomly selects a sample of 100. Find the sum with a z-score of 0.5. I

Answer 1

Q11 We want x, for which 2 – score = 0.5 X – 39.01 SO 2 = 0.5 0.5/V100 x = 39.035

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