Mathematics, 14.12.2021 01:20, brasfield09
1. A blood pressure test was given to 450 women ages 20 to 36. It showed that their mean systolic blood pressure was 120.0 mm Hg, with a standard deviation of 13.0 mm Hg.
(a) Determine the z-score, to the nearest hundredth, for a woman who had a systolic blood pressure reading of 113.5 mm Hg.
(b) The z-score for one woman was 2.16. What was her systolic blood pressure reading? (Round your answer to one decimal place.)
2. A random sample of 50 tires showed that the mean mileage per tire was 41,200 mi, with a standard deviation of 4800 mi.
(a) Determine the z-score, to the nearest hundredth, for a tire that provided 46,700 mi of wear.
(b) The z-score for one tire was −2.52. What mileage did this tire provide? Round your result to the nearest hundred miles.
3. On a reading test, Shaylen's score of 455 was higher than the scores of 4298 of the 7258 students who took the test. Find the percentile, rounded
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 17:00, tonytashaqua
In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq
Answers: 1
Mathematics, 21.06.2019 17:20, tfyfejeje1739
The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
Answers: 3
Mathematics, 21.06.2019 21:00, alexahrnandez4678
Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.
Answers: 1
Mathematics, 21.06.2019 22:00, ashuntihouston14
If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?
Answers: 3
Do you know the correct answer?
1. A blood pressure test was given to 450 women ages 20 to 36. It showed that their mean systolic bl...
Questions in other subjects:
Social Studies, 16.04.2020 00:37
History, 16.04.2020 00:37
