We measured the length of two sides X and Y of a rectangular plate several times under fixedcondition. We ignored the accuracy of the measurement instrument. The measurement resultsinclude the mean X = 10 in, the standard deviation of the X = 1.1 in, and the mean Y = 15 in, thestandard deviation of the Y= 1.3 in, each measurement were collected 40 times. Please estimate thenearest uncertainty of the area A = XY at probability of 95%.O 12O 24O 10O all solutions are not correct

Answered: Image /qna-images/answer/1f3a8317-1072-4fb5-9e5e-3a990c81031b.jpg

Answered: We measured the length of two sides X…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A California lake has been stocked with rainbow trout. These trout have an average length of 24 inches, with a standard deviation of 3 inches. Someone goes fishing and catches a trout that is 26.25 inches long. Express the length of this trout in standard units, relative to all the trout that were used to stock the lake. Choose the answer below that is closest.
Please explain how the bolded option is the correct answer
A verticle line is drawn through a normal distribution at z=.80. What proportion of the distribution is on the right-hand side of the line?
Suppose the lengths of human pregnancies are normally distributed with μ = 266 days and o 16 days. Complete parts (a) and (b) below. = (a) The figure to the right represents the normal curve with μ = 266 days and o= 16 days. The area to the right of X = 300 is 0.0168. Provide two interpretations of this area. Provide one interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals.) O A. The proportion of human pregnancies that last less than O B. The proportion of human pregnancies that last more than days is days is A X 266 300
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Assume that adults have IQ scores that are normally distributed with a mean of u= 100 and a standard deviation g= 15. Find the probability that a randomly selected adult has an IQ less than 118. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ less than 118 is (Type an integer or decimal rounded to four decimal places as needed.)
Suppose the lengths of human pregnancies are normally distributed with μ = 266 days and o 16 days. Complete parts (a) and (b) below. (a) The figure to the right represents the normal curve with μ=266 days and o=16 days. The area to the left of X=230 is 0.0122. Provide two interpretations of this area. Provide one interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals.) A. The proportion of human pregnancies that last less than 230 days is 0.0122 OB. The proportion of human pregnancies that last more than days is C Provide a second interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals.) ⒸA. The probability that a randomly selected human pregnancy lasts less than OB. The probability that a randomly selected human pregnancy lasts more than days is days is A 230 268 Q
To gauge their fear of going to a dentist, a random sample of adults completed the Modified Dental Anxiety Scale questionnaire (BMC Oral Health, Vol. 9, 2009). Scores on the scale range from zero (no anxiety) to 25 (extreme anxiety). The mean score was 11 and the standard deviation was 4. Assume that the distribution of all scores on the Modified Dental Anxiety Scale is approximately normal with µ = 11 and o = 4. Complete parts a through c below. a. Suppose you score a 10 on the Modified Dental Anxiety Scale. Find the z-value for this score. (Round to two decimal places as needed.) 1)
Assume the readings on thermometers are normally distributed with a mean of0degreesC and a standard deviation of 1.00degreesC .Find the probability that a randomly selected thermometer reads between negative 2.28 and negative 1.25 and draw a sketch of the region.
The length of eels (in cm) in a river may be assumed to be normally distributed with a mean of µ = 42 and a standard deviation of o = 6. An angler catches an eel from a river. Let: X = the length (in cm) of an eel a) If the normal length of eels is between 30 cm and 45 cm, what percentage of eels fall within this normal range? Round your answer to 2 decimal places. b) What is the probability that an eel is at least 51 cmin length? Round your answer to 4 decimal places. c) The middle 50% of the lengths (in cm) of the eels are between and Round your answers to 2 decimal places d) Due to the symmetry of the normal distribution we know that DIV 20 - DIV -
Assume that females have pulse rates that are normally distributed with a mean of u=74.0 beats per minute and a standard deviation of o = 12.5 beats per minute. Complete parts (a) through (c) below. a. If 1 adult female is randomly selected, find the probability that her pulse rate is between 70 beats per minute and 78 beats per minute. The probability is. (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. parts Z remaining Clear All Check Answer 1:29 AM O Type here to search 5/5/2021 144 + 米 IO esc & 7 % %23 3 $ 4. Y %23
Is it true that z values have no units of measurements?

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