Which of the following is NOT true of the goodness-of-fit test? Choose the correct answer below. A. Expected frequencies need not be whole numbers. B. If expected frequencies are not all equal, then we can determine them by Eequals=np for each individual category, where n is the total number of observations and p is the probability for the category. C. If expected frequencies are equal, then we can determine them by Upper E equals StartFraction n Over k EndFractionE= n k, where n is the total number of observations and k is the number of categories. D. Goodness-of-fit hypothesis tests may be left-tailed, right-tailed, or two-tailed.

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

The table shows the number of hours orlando spent at football practice last week. select the appropriate numbers below to complete the model to find the number of hours orlando spent practicing on tuesday and friday.

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices