(c) Melanin content and cytotoxicity of cultured melanocytes originating frompersons with different skin phototypes were observed using spectrophotometry.The results obtained as follows.Melanin contentHighLowHigh13CytotoxicityLow4533(i) Calculate the probability that the melanin content is low.

Answered: Image /qna-images/answer/64d7727d-d6e8-4427-8be5-38c91fd1d3b5.jpg

Answered: (c) Melanin content and cytotoxicity of…

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 hand consists of 44 cards from a well-shuffled deck of 52 cards. a. Find the total number of possible 44-card poker hands. b. A blackblack flush is a 44-card hand consisting of all blackblack cards. Find the number of possible blackblack flushes. c. Find the probability of being dealt a blackblack flush.
Porphyrin is a pigment in blood and other body fluids that is significant in body energy and storage. Let x be a random variable that represents the number of milligrams of porphyrin per deciliter of blood. In healthy adults x is approximately normally distributed with μ = 38 and σ = 12. What is the probability that x is less than 60?
You sample for carbon monoxide TWA exposure in a work area on 12 randomly chosen days with the following results (in chronological order): 21, 27, 18, 32, 37, 20, 12, 35, 41, 30, 16, 25 ppm a. Using a graphical approach on log-normal probability paper, plot the data and find the GM and GSD. b. Based on the above calculations, what is the probability that on any one day the concentration will exceed 50 ppm?
If I change the alpha level from 0.05 to 0.01 The probability of a Type 1 error goes down The probability of a Type 2 error goes up a not b a and b
You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.23. Thus you are performing a right-tailed test. Your sample data produce the test statistic z = 2.831. Find the p-value accurate to 4 decimal places. p-value =
The average height of American females aged 18–24 isnormally distributed with mean μ = 65.5 inches and σ = 2.5 inches. What is the probability a female is between 5'1'' and 5'4'' tall?
A production line in a factory, assembles laptops. A random sample of assembly time of 36 laptops has been drawn from this factory. Suppose, the population distribution has a mean assembly time of 25 minutes and standard deviation 6 minutes. What is the probability that a sample mean is 26 minutes? Select one: O'O E b. =P(Z>1) C. =P(Z=o) d. =P(Z<1) e. None of the others ge Next page
level of blood glucose and diabetes are closoly related. Let x bo a random variable measured in milligrams of glucose per deciliter of od. After a 12-hour fast, th random variable x will have a distribution that is approximately normal with mean - 85 and standard deviation 5. What is the probability that for an adult after a 12-hour fast. s less than 7o, b. x is greater than 120?
You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.51. Thus you are performing a right-tailed test. Your sample data produce the test statistic z =1.872. Find the p-value accurate to 4 decimal places.p-value =
You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly different from 0.25. Thus you are performing a two-tailed test. Your sample data produce the test statistic z = 2.931. Find the p-value accurate to 4 decimal places. p-value =
A car insurance company has determined that 9% of all drivers were involved in a car accident last year. Among the 10 drivers living on one particular street, 3 were involved in a car accident last year. If 10 drivers are randomly selected, what is the probability of getting 3 or more who were involved in a car accident last year? O a. O b. O C. O d. 0.4435 0.9548 0.0541 0.0452
Quality control at a soda bottler suspects that the variance in the mean volume of bottles of soda being filled by the bottler is intolerably high. In a sample of 14 bottles, the sample variance is 1.5 ml. Use this sample to test Ho: o? = 1.2 against H:0? > 1.2 at a = 0.05. a) Find the critical value or values for this test. b) Find the value of the test statistic. c) Give your decision in terms of the null hypothesis.

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