Question * Suppose we are interested in the relationship between an individual's brown hair and skin color. Based on a random sample of LIU students, we have the following joint probability distribution given by X-degree of brown hair color 1 2 3 4 1 0.12 0.05 0.12 0.01 Y-degree of skin color 2 0.12 0.07 0,09 0 3 0.16 0.07 0.16 0.03 The probability that an individual with degree of skin color I has a degree of brown hair color 2 is: 0.167 0.3 None of these O 0.263

Q: 7) The HIV patients on the average survive 5 years after being diagnosed. The survival years for the…

A: Given the survival years for the 7 HIV patients after being diagnosed for a cohort are 3.2, 4.4,…

Q: Find the probability of getting 2 to 5 diamonds using normal distribution.

A:

Q: 1. The size of fish is very important to commercial fishing. A study conducted in 2012 found the…

A: We  know that distribution is normal distribution and. We have to find given probability and value..…

Q: 2. In a factory that produces pieces of ready-made concrete, if the percentage of producing…

A: Given,n=5p=0.6q=1-p=1-0.6=0.4X=no.of defective piecesX~Binomial (n=5 , p=0.6)P(X=x)=nx px qn-x    ;…

Q: The average weight of an NFL player is 245.7 pounds with a standard deviation of 34.5 pounds, but…

A: From the provided information, Mean (µ) = 245.7 Standard deviation (σ) = 34.5

Q: Suppose I have an unfair coin, it lands on heads 75% of the time.  If I flip this coin four times,…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: Week 3 Please provide solutions and steps in an excel spreadsheet   A study is conducted to…

A:

Q: A recent survey reported that 47​% of​ 18- to​ 29-year-olds in a certain country own tablets. Use…

A: According to the given information,Probability of success, p = 47% = 0.47Number of trials, n = 6Let…

Q: racing car consumes a mean of 107 gallons of gas per race with a variance of 49. If 46 racing cars…

A: Given Mean=107 Variance =49 N=46

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: If Z is a random variable with a mean of 100 and a standard deviation of 20, what is the probability…

A: Introduction: A random variable Z with mean 100 and standard deviation 20 follows a normal…

Q: The data in the following table show the association between cigar smoking and death from cancer for…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: H & G is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 135…

A: Given that: X is normally Distributed with mean µ = 135.0 and standard deviation σ = 5.0 By using…

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A:

Q: If the percentage of healthy units in the production of a type of traffic signal lamp is 80% and the…

A:

Q: 2. With the same coin, give the probability distribution for the number of heads possible in 3…

A: The total possible number of outcomes when you draw a coin 3 times is 23 = 8  List the total…

Q: What value is the probability that the mean of nine randomly selected individuals from a normally…

A: Sampling distribution of the sample mean x¯ ~ N(μx¯ , σx¯)

Q: About 79% of all female heart transplant patients will survive for at least 3 years. Seventy female…

A:

Q: A recent survey reported that 50​% of​ 18- to​ 29-year-olds in a certain country own tablets. What…

A:

Q: We say an outcome in the support of a random variable is significant if it lies outside of A. the…

A: The result - The random variable is significant.

Q: In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this…

A: Question 5: a) Let p denotes the population proportion of college students work. The researcher…

Q: 1. The data records the length of stay of engineering students in the university. We will assume a…

A:

Q: f the 20th and 60th percentiles of a normal random variables are -4.3 and 15.8, respectively. What…

A:

Q: It was reported that 29% of car crash deaths in Maine were alcohol-related.…

A: Obtain the probability that at most 14 were alcohol-related.   The probability that at most 14 were…

Q: If you observe the values of a normally distributed variable for a sample, a normal probability plot…

A: Requirement of normal distribution:If the plot is roughly linear then the variable is approximately…

Q: In a recent pol, a random sample of aduts in some country (18 years and older) was asked, "Wheni you…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

Q: Suppose that the height distribution of students in your class was normally distributed with mean 68…

A:

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.37%. A random sample of 33 of…

A: Since you have asked multiple question,we will solve the first question for you.If you want any…

Q: 1. The number of inquiries received per day by the Office of Admissions in a certain university is…

A: Solution

Q: About ​80% of all female heart transplant patients will survive for at least 3 years. Seventy female…

A: Given information Probability that female heart transplant patients will survive for at least 3…

Q: . The probability that a patient will recover from a rare blood disease is 0.4. If 12 people are…

A: Let X be the number of patient will recover from a rare blood disease.

Q: An experiment consists of rolling a pair of dice 10 times and observing the sum. A sum of at least 8…

A:

Q: A normally distributed random variable has a mean of 140 and a variance of 2575. What is the…

A: μ = 140σ2=2575→σ = 2575 = 50.74

Q: A racing car consumes a mean of 103 gallons of gas per race with a variance of 36. If 38 racing…

A: The probability of the sample mean would be greater than 101.5 gallons is 0.9382 and it is obtained…

Q: If X is a random variable with a mean of 20 and a standard deviation of 5, what is the probability…

A: From the provided information, Mean (µ) = 20 Standard deviation (σ) = 5

Q: In a survey of senior executives, the most common job interview mistake is to have little or no…

A: In this case, each of the employees has the only options of "acknowledging" (defined as success) or…

Q: Every year, the vetrinary hospital at a major research university treats a number of horses that…

A: The probability of quarter horse is P(QH) = 1 - P(F) - P(TB) - P(M)           = 1 - 0.4 - 0.2 - 0.3…

Q: What is the answer to part (iv) Flaws occur at random along the length of a thin copper wire. Assume…

A: Given,the number of flaws follow a Poisson distribution with a mean of 2.3 flaws per millimetre.That…

Q: Table 2.1 shows the classification of 50 students according to their gender and their time spent on…

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as…