Suppose that a company claims that its air fresheners last 23 days, on average. you take many large samples, and find, each time, that the mean number of days of the sample is outside the 95% confidence interval. based on this information alone, which of the following is probably not the mean number of days that the company's air fresheners last?

a. 19
b. 21
c. 17
d. 23

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.