How will adding the value 1000 affect the mean and median of the data set 5, 10, 17, 19, 20? a. the mean and the median increase by the same amount. b. the mean increases more than the median increases. c. the median increases and the mean stays the same. d. the mean increases and the median stays the same.

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !