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In a sample of 200 randomly selected bottles of soda, 15 have perforated screw on caps. Which of the following is true of the 90% confidence interval? StatKey

Which of the below is the area below z = 1.06 for the standard normal density function? StatKey

Suppose in a sample of 50 randomly selected children, 40 consume more than 8 hours of screen time per day. Suppose in a sample of 50 randomly selected adults, 42 consume more than 8 hours of screen time per day. Is there evidence to suggest that the proportion of children and the proportion of adults that consume more than 8 hours of screen time per day is significantly different? Find the p-value of this test. StatKey

Which of the below is the endpoint for the standard normal density function when the area to the right of the endpoint is about 0.84? StatKey

A random sample of 120 females results in 20 of them are cigarette smokers. A random sample of 150 males results in 26 of them are cigarette smokers. A dietician tests to determine if the proportion of female smokers is lower than the proportion of male smokers. A hypothesis test was conducted at the 5% significance level and the p-value was found to be 0.456. Which of the below represents the center of the randomization distribution for this test?

Which below statements best describes the outliers of the data summarized by the above table?

Suppose you are conducting a study, and you are told that µ = 0.68. Which of the below best describes µ = 0.68?

Consider the list of data 200, 202, 204, 207, 209, 315, 420. Which of the following is true about this list?

Which of the following is the best approximates the sample mean of the data in the above dotpot?

Which of the following statements is true based on the above scatterplot?