The local grocery store wants to know if the shoppers prefer crest or colgate toothpaste. the store gives all of its shoppers a value saver card, then uses a random number generator to select 30 card numbers and surveys those shoppers. is this sampling method representative of the entire population and explain? a. no, some shoppers may not buy toothpaste there. b. yes, all shoppers have a value card and the shoppers interviewed were chosen by a random number generator. c. no, need a bigger sample. d. no, the store should only ask women.

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 104 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 105 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Evaluate the expression. (9 + 5)(3 + 2)0