Investment A has an expected return of 7.8% with a standard deviation of 2%. Investment B has an expected return of 7.2% with a standard deviation of 3.1%. Which stock is more likely to have a return greater than 10%? A) Stock A B) Stock B C) The probability is the same for both A and B. D) Unable to determine.

Q: Birds arrive at a feeding table independently, at an average rate of six per hour. a Find the…

A: Given::-- Birds arrive at a feeding table independently, at an average rate of six per hour.

Q: The average credit card debt for college seniors is $3000. If the debt is normally distibuted with a…

A: A) The senior owes at least $1200

Q: A Section 14.1 Exercise 6 Question Help v A grocery store's receipts show that Sunday customer…

A: We have to Find out given probability....

Q: Exercise 6.1 The sick-leave time of employees in a firm in a month is normally with a mean of 100…

A:

Q: (b) A car repair shop uses a particular spare part at an average rate of 6 per week. Find the…

A: As per Bartleby guidelines, we are allowed to answer one question. Please ask c as a separate…

Q: There are two machines available for cutting corks intended for use in wine bottles. The first…

A: From the provided information, For first machine; Mean (µ1) = 3 Standard deviation (σ1) = 0.10 For…

Q: SAT exam scores are normally distributed with mean 500 and standard deviation 100.  Give the…

A: Let X= SAT exam score  Given that X follows normal distribution with mean=500 and standard deviation…

Q: Exercise 1: The weight of a random scone sold by your favorite bakery has a mean of 105g I a…

A: Given: μ = 105 σ = 5 Formula Used: Z-score= X-μσn

Q: feels that she has provided excellent service if the tip is more than $15. The probability that a…

A: Let X be the random variable from normal distribution with mean (μ) = 10 and standard deviation (σ)…

Q: Find the probability that a randomly selected adult has an IQ between 85 and 125 and type an integer…

A: It is given asMean = 105Standard deviation = 15

Q: snip

A: Given: Average renovation time is, μ1=4 weeks. Standard deviation of renovation is, σ1=1 week.…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.38​%. A random sample of 32 of…

A: The probability of the mean childhood asthma prevalence for the sample is greater than 2.7​% is…

Q: Research discovered that the average heart rate of a sweeper in curling (a Winter Olympic sport) is…

A: Given Mean=192 Standard deviations=7

Q: 3. Assume can of Coke are filled so that the actual amounts have a mean of 12.00 oz and a standard…

A: Let X denotes the amount of Coke Assume that X follows normal distribution having mean 12 and…

Q: The following table shows the probability of a cellular phone company. What is the standard…

A:

Q: Costs for standard veterinary services at a local animal hospital follow a Normal distribution with…

A: GIVEN DATA normal distributionμ = 89σ = 23P(45<x<132) = ?

Q: Suppose that the average price for a gallon of gasoline in the Country A is $2.74 and in Country B…

A: For country AMean()=2.74standard deviation()=0.25For country BMean()=2.40standard deviation()=0.20

Q: Suppose that the average price for a gallon of gasoline in the Country A is $2.79 and in Country B…

A: Data about the price of gasoline in two different countries is given.For country A:Mean is Standard…

Q: An electrical firm manufactures light bulbs that have a life, before burn-out, that is normally…

A:

Q: A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported…

A:

Q: mally distributed with a mean of $2.39 and a standard deviation of $0.15. 1. What is the…

A: Given: Population mean μ=2.39 Population standard deviation σ=0.15 Let X ~ N (2.39, 0.152)

Q: 4. Compute the mean and the Standard deviation of the probability distribution table of : 2 Y 0.2…

A:

Q: random variable has a mean of 6.5 and a standard deviation of 3.45. With a random sample of 40…

A:

Q: When parking a car in a downtown parking lot, drivers pay according to the number of hours or…

A:

Q: Suppose that the average price for a gallon of gasoline in the United States is $3.75 and in Russia…

A: For United Statesmean()=3.75standard deviation()=0.25For RussiaMean()=3.38standard deviation()=0.20

Q: Would more money be raised by charging $1.00 per car, or by charging 30 per person, or by charging…

A: Here given , probability distribution of no of people per  passenger vehicle . x =  no of people per…

Q: 1. Results of a study conducted to determine the water consumptions in number of cubic meters of…

A:

Q: The average hourly wage of employees of a certain company is $11.88. Assume the variable is normally…

A: The mean of the distribution is .The standard deviation of the distribution is .The population is…

Q: Assume that the cholesterol levels among teenagers are Normally distributed with u (mean)= 170 and…

A:

Q: You plan to invest​ $1,000 in a corporate bond fund or in a common stock fund. The information to…

A: Given: Corporate bond (x) Common stock (y) Probability -200 -990 0.01 -90 -300 0.09 20 -100…

Q: According to the National Center for HealthStatistics, life expectancy for a 70-year-old African…

A: Mean life expectancy 1λ=12.3 So, λ=112.3  Let X~Exp112.3

Q: b. It was determined that, in his one day international cricket career, West-Indian batsman Carl…

A: An average of 3 boundaries per matchLet "x" be that Hooper will hit boundariesx~Poisson()P(X=x)=

Q: 7. The Aluminum Association reports that the average American uses 56.8 pounds of aluminum in a…

A: Given,sample size (n)=51mean(μ)=56.8standard deviation(σ)=12.3

Q: Suppose that the average price for a gallon of gasoline in the United States is $3.77  and in Russia…

A: Let X be the for United States Y for Russia

Q: The number of homes sold by a realtor during a month has the following probability distribution:…

A: The expected value (mean) of a probability distribution is calculated by multiplying each possible…

Q: Estimate the probability that a given mouse will live between 31 and 49 months if the distribution…

A: Provided information is, Research scientists report that mice will live an average of 40 months with…

Q: sample of 31 years of rainfall for California and a sample of 49 years of rainfall for New York has…

A: Given information for State of California: Mean, μ=22. Standard deviation, σ=4. Sample size, n=31.…

Q: In a certain state, the daily amounts of industrial waste are normally distributed with a mean of…

A: Let us denote X=the daily amounts of industrial wasteGiven that X is normally distributed with…

Q: The average salary for a civil engineering major is $75,000 with a standard deviation of $10,000. A…

A: Given the average salary for a civil engineering major is $75,000 with standard deviation of…

Q: The average salary for teachers is $50,000 with a std. deviation of $5,000. Find probability of…

A:

Q: An examination has  historical record of a 25% rate of failure.For a group of 15 students sitting…

A: The scenario above would satisfy all conditions of binomial distributions:• Fixed number of trials…

Q: C. Shawn is targeting to win at least 100,000 pesos in the game. In the previous games, it was found…

A: Answer :-   Given that  Let the X be a the amount of money won by the contestants   X ~ N(μ , σ2 )…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.