What is at the "heart" of hypothesis testing in statistics? (this is a reading assessment question. be certain of your answer because you only get one attempt on this question.) choose the best answer below. a. determine whether a statement is false. b. make an assumption about reality, and collect sample evidence to determine whether it contradicts the assumption. c. determine whether a statement is true. d. none of the above

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?