A simple random sample (SRS) of 100 of a certain popular car in 1997 found that 20 had a certain minor defect in the brakes. An SRS of 400 of the same car in 1998 found that 50 had the minor defect in the brakes. Let and be the proportion of all cars of this model in 1997 and 1998, respectively, that actually contained the defect. A 90% confidence interval for is:.A. 0.075±0.085.B. 0.075±0.071.C. 0.075±0.043.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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.

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.