8. Bob plan to retire in 20 years. He is thinking of investigting his retirement funds in stock market. The information he got is that the return of common stocks is normal distribution with mean 8.2 percent and standard deviation 20.1 percent. What is the probability the return next year would be greater than 9 percent?

Q: What determines whether the Average return, Standard Deviation and Risk ratio are good or bad; is a…

A: The context of the investment strategy and the investor's objectives determine whether the average…

Q: In Binomial Distribution, If q=60% and n=12, then the mean is 0.72. (True or False)

A: Solution: From the given information, q=0.60 and n=12.

Q: You are trying to develop a strategy for investing in two different stocks. The anticipated annual…

A: Given data and to find:

Q: Your friend missed class the day probability distributions werediscussed. How would you explain…

A: Probability Distribution : A probability distribution is simply a list of all possible outcomes and…

Q: Write the important properties (characteristics) of normal distribution and normal probability…

A:

Q: Q3. According to the U.S. Employment and Training Administration, the average weekly unemployment…

A: Given,mean(μ)=297standard deviation(σ)=74.42

Q: What does standard deviation measure in a probability distribution

A: In simple words, Standard deviation measures the variability of all possible outcomes of a…

Q: Risk taking is an important part of investing. In order to make suitable investment decisions on…

A: Given Mean=50.0 Standard deviations=16

Q: What are the requirements needed to be a binomial distribution?

A: To find: What are the requirements needed to be a binomial distribution?

Q: 36. Two college roommates have each committed to donating to charity each week for the next year.…

A: The objective of this question is to find the expected number of weeks in a year that the combined…

Q: A fair coin is tossed 60 times. Find the probability that the head appears between 20 and 40 times…

A: X~Bin(n=60, p=0.5) P(20<X<40)= ?

Q: compute the mean or expected payout of the ticket.

A:

Q: How can we calculate the probability-weighted average of the squared deviations?

A:

Q: How is normal distribution can be misused in a airline company?

A: Introduction The normal distribution is a continuous prob. dist.

Q: 4. Image a gambling casino consisting of 100 busy roulette tables. Suppose that each table brings in…

A: Let, x denotes the average hourly profit from each table . Number of such tables =100 Ex=50 σx=25

Q: What happens to the shape of the binomial distribution as the number of trials increases? Is it true…

A: We have to tell , When number of trials increases , what happens to the shape of Binomial…

Q: expected return is 13% with a standard deviation of 30%.

A:

Q: What is the median of a continuous random variable? What is the median of an exponential…

A:

Q: As the value of p increases, does the mean of the binomial distribution get larger or smaller?…

A: For binomial distribution,p = probability of success q = 1-p = probability of failure n = no of…

Q: The distribution of sample variances tends to be a distribution skewed to the right. true or false?

A: When sampling from a normal distribution, by the definition of the Chi-square variate,…

Q: When can we say that populations are normally distributed?

A: Introduction: Several tests of normality exist, using which you can verify whether a particular data…

Q: 9. Sick-leave time used by employees of a firm in one month has approximately a normal distribution…

A:

Q: How do you do a binomial distribution?

A: Binomial Distribution: The Binomial distribution is useful if the experiment has two outcomes…

Q: Why we find central measures in probability distribution?

A: Suppose a variable of interest is x.

Q: What is the binomial distribution?

A: The binomial probability distribution is a discrete probability distribution in which the outcomes…

Q: True or false: As the degrees of freedom decrease, the Student's tdistribution becomes more like the…

A: As the degrees of freedom decrease, the student's t-distribution becomes more like tends to the…

Q: Find the probability that, when playing 100 games, the player will win more than $5 on average.…

A: The following information has been provided: μ=4, σ=0.583\mu = 4, \text{ } \sigma = 0.583

Q: What are example real life situations that will show the concept of probability distribution, normal…

A: The examples of real life situations that will show the concepts as asked are as described in steps…

Q: The stock price for International Business Machines (IBM) historically has followed an approximately…

A: Given that, The stock price for International Business Machines (IBM) historically has followed an…

Q: Question 1: The amount of time until an accident occurs at an industrial facility follows an…

A:

Q: Why is it that the normal distribution is the most useful probability distribution?

A: Solution-: We want to get the reason why is it that the normal distribution is the most useful…

Q: Can we use the Normal distribution to calculate probabilities for the weekly income of an individual…

A: From the Histogram, Data is right skewed There is no symmetry Low income - more students High income…

Q: Erla rolls six sided dice 15 times. What is the standard deviation of the number of sixes that…

A: Let p be the probability of six  p=1/6, n=15 Let X be the number of sixes in rolling of dice  Then…

Q: A professor knows that her statistics students' final exam scores have a mean of 79 and a standard…

A:

Q: What is probability and how is it related to the normal distribution?

A: Probability is a branch of mathematics that deals with the study of random events and their…

Q: Find the mean deviation of Poisson distribution.

A:

Q: Discuss the applications of Poisson distribution.

A: