This one is tricky because the scale is opposite of what we are used to.  If "0" Zero is the perfect score and if I am comparing two scores "1.73" and "0.7" how much percentage is 0.7 better than 1.73?  I got 147% as an answer but I am not sure.  The equation I came up was 0.7 + 0.7(X/100) = 1.73

The first picture is the question and the second is the ones that I need help with. thanks!

The first picture is the question and the second is the ones that I need help with. Thanks

If a person’s z-score equalas 2.08, what is their percentile? Thank you.

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

Samantha took an exam in her statistics class and received 90 out of 100. Samantha thought that was a good score, but she wanted to know how high her score was in relation to the rest of the class. Her professor said her Z-score was -0.29. How should Samantha interpret her Z-score? a. Samantha’s score is 0.29 points above the class mean.b. Samantha’s score is 29% above than the class mean.c. Samantha’s score is 0.29 standard deviations above the class mean.d. Samantha’s score is 0.29 standard deviations below the class mean.

The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to find out the fraction of people who appear on the list that are actually caught. Step 1 of 2: Suppose a sample of 531 suspected criminals is drawn. Of these people, 201 were captured. Using the data, estimate the proportion of people who were caught after being on the 10 Most Wanted list. What are the lower endpoints and upper endpoints round your answers to three decimal points

Oxnard College reports your GPA on a 4.0 scale. The "4" in the 4.0 GPA scale is equivalent to an A, "3" is equivalent to a B, "2" is equivalent to a C, "1" is equivalent to a D, and "0" is equivalent to a F. Last semester, a student recieved the following grades C in a 5 units Math course B in a 4 units Music course A in a 3 units Chemistry course B in a 5 units Journalism course What is the student's GPA for that term? Round to two decimal places. Student's GPA = Enter an integer or decimal number [more..] Submit Question re to search OM V B N M

Suppose you are told your BMI is 32, the  70th percentile for your age and sex. Please interpret this percentile age: 28 Female

MEAN = 50,SD = 10, WHAT IS THE VALUE OF Z-SCORE WHEN X = 80.