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Hello, I need help please. I am stuck on these two problems. Can you help? The second question drop downs in order are: population is

Hello, I need help please. I am stuck on these two problems. Can you help?

The second question drop downs in order are: population is normal distribution or sample size is larger than 30, conclusion is sufficient evidence does not exist to suggest that the mean amount of choc ice cream is not 4 ounces or sufficient evidence does exist .. and why? the hypothesis means falls outside the bounds of the confidence interval or does it fall within?

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Challenge activities CHALLENGE ACTIVITY 6.2.1: Confidence intervals for population means. Jump to level 1 1 Suppose the mean height in inches of all 9th grade students at one high school is 2 estimated. The population standard deviation is 5 inches. The heights of 10 randomly selected students are 60, 67, 71, 68, 64, 73, 66, 74, 66 and 72. T = Ex: 12.34 Margin of error at 95% confidence level = Ex: 1.23 95% confidence interval = [ Ex: 12.34 Ex: 12.34 [smaller value, larger value] 2 Check NextA worker stands at the end of a production line for mint chocolate chip ice cream and uses 1warm water to melt the ice cream away from the chocolate. The amount of chocolate is then weighed. Each container should contain 4 ounces of chocolate. The results of a simple random sample of 12 containers is shown below. Assume the amount of chocolate added to the ice cream is normally distributed. Mean 3m Vll'lll' 0.0? Observation: 12 Wind Mean 4 What condition is met for the use of a tdistribution? df 11 15m 4.511. Pick v FIT-cm one-tall Elm ICH-l all-till 1396 What is the level of signicance? Ex: 1.23 mm: mull can tCrltlul two-ml 2m MI\" MESH] 0.15! What conclusions can be drawn from the data? Pick V What is the condence interval for the amount of chocolate? [ Ex: 1.234 , I Does the confidence interval support the results of the hypothesis test? Why? Pick v -m

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