For the following distribution of quiz scores, if a score of X = 3 or higher is needed for a passing grade, how many individuals failed the quiz? Also what's the steps to do the problem?X f5 64 53 52 31 2

When a woman thinks she may be pregnant, she often uses an over-the-counter pregnancy test to confirm or deny if she is pregnant. The two-way table below represents the results of one brand of pregnancy test on 500 women, some of whom are pregnant and some are not. Round percentage answers to the nearest tenth of a percent to answer the following two questions. Negative Test Result Positive Test Result (a) What is the sensitivity for this test? % Pregnant 66 131 (b) What is the specificity for this test? % Add Work Check Answer Not Pregnant 239 64

For the following set of scores, find the value of each expression: Participant X Y A 5 1 ΠΣΧ2 = (ΣΥ)2 = ΣΧΥ = ΣΧΣΥ = BUDE C 3 3 ow 0 5 -3 7 -5 9 + Grade It Now Save & Continue Continue without saving

I got this wrong on a quiz and not sure why it isn’t 2.

The choices of the p-value are    0.306    0.999    0.082    0.853

You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats.You sample 90 men, and 50% own cats.You sample 130 women, and 15% own cats.Find ¯p (p-bar), as a decimal, rounded to two decimal places.

See picture for problem.

If​ P(A or ​B)equals=0.70.7​, ​P(A)equals=0.30.3​, and​ P(A and ​B)equals=0.250.25​, find​ P(B).

Other scores between 1 and 7 are possible, The total is out of 20, so there is a possibility of scoring 21 out of 20. The problems are: yto 1. The nutrition information for restaurants is available online. I collected the fat content (in grams) and the number of calories for several fast food burgers in the table below. vana la S mcan in pray Fat Content (g) Calories Big Mac (McDonald's) 30 550 Whopper (Burger King) 40 660 Dave's Single (Wendy's) 34 570 Cheeseburger (Five Guys) 55 840 Double Cheeseburger (Steak 'n Shake) 33 Double Patty Melt (Freddy's) 550 44 760 Va) Draw a scatter diagram of the data. b) Find the least-squares regression line, treating fat content as the explanatory variable and number of calories as the response variable cfire three c) Interpret the slope and y-intercept, if appropriate. (What do the numbers mean in terms of burgers?) Messt epray