By calculating the which the firm is exposed to a particular loss. the firm can determine the exter O Standard deviation O Law of large numbers

Q: Male and female populations of tortoises under 80 years old are represented by age in the table…

A: Here the given table is : Age males females…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 79 mph and…

A: It is given that the speeds in which cars go on the freeway has a normal distribution with mean 79…

Q: X is normally distributed with mean 500 and standard deviation 20

A: It is given that the X is normally distributed with mean 500 and standard deviation 20. So,…

Q: Let x be a random variable that represents red blood cell count (RBC) in millions of cells per cubic…

A: Given information- We have given that x be a random variable that represents red blood cell count…

Q: 23. What is the z score for an IQ score of 112? 24. What is the probability of randomly selecting…

A: We have given information,  Assume a standardized IQ test exists that possesses a normal…

Q: If X N(49, 16), then the standard deviation of X equals

A: It is given that, X~N49,16. This, means that, the the random variable X follows a normal…

Q: In Normal distribution, the highest value of ordinate occurs at O Mean O Variance Same value occurs…

A: The question is about property of normal distribution

Q: The level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

A: Mean == 80Standard deviation  = 6n = 16s = 6/√16 = 1.5Levels of significance = 1 - 0.05 = 0.95 or…

Q: It takes an average of 10.2 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: From the provided information, The hypotheses are as follow: H0: µ = 10.2 H1: µ < 10.2 The test…

Q: A sample of size 60 will be drawn from a population with mean 31 and standard deviation 6 .Find…

A: Given that.   X~N( μ , ?)   μ=31     , ?=6   Z-score =( x - μ )/?

Q: Suppose X be a normally distributed random variable with unknown mean μ and a standard deviation of…

A:

Q: Average temperatures in MMáy in a certain city are normatly distributed with a mean ef 70 degrees…

A: From the given information, Consider, X is the temperatures in May that follows normal distributed…

Q: The random variable X has a normal distribution with a variance of 16 and an unknown mean. If the…

A: Given Data: X is a random variable   Variance (X)=16   X~ Normal (μ, 16) P(x>65)=0.025

Q: A random variable is normally distributed with mean 14.2 and standard deviation 18.4. What value is…

A: According to the provided information, mean μ=14.2standard deviation σ=18.4z-score = 3

Q: Let x be a random variable that represents red blood cell count (RBC) in millions of cells per cubic…

A: (i)   Use TI-83 plus Calculator to obtain the values of sample mean and the standard deviation.…

Q: Suppose you wish to invest money safely and are trying to decide between stock options in two…

A: Introduction: In the stock market, volatility of a stock is a measure of dispersion of the returns…

Q: Let X be a random variable that represents red blood cell count (RBC) in millions of cells per cubic…

A:

Q: 9. What is the probability of selecting someone from the general population at random who would…

A: Answer:- Given , A standardized IQ test exists that possesses a normal distribution and has a mean…

Q: The flow in a river can be modeled as a log-normal distribution. From the data, it was estimated…

A: Let X be the flow in a river which follows log normal distribution.It is provided that, P(X >…

Q: For each substance, estimate the standard deviation o by assuming uniform distribution and normal…

A: The given data is, Substance Range detected Lower Limit Upper Limit Chromium 0.43 to 0.66 0.43…

Q: A population has a u=50 and o=10. If these scores are transformed into z- Scores, the population of…

A: Given that mean =  E(X) = 50 and SD(X) = 10, then  Var(X) = 102 = 100

Q: A study involving stress is conducted among the students on a college campus. The stress scores…

A: Solution: Let X be the random variable represent stress score of students on college campus.  X~U(a=…

Q: How to use a power calculator to compute power for the t distribution?

A: In the power calculator, the difference between mean is the difference between population mean and…

Q: suppose the mean is 8 and 1/3 and the population variance is 6 and 8/9 and a>9 x 5 9 a frequency 3…

A: We have been given, Mean =813=253                            ......(1)Standard deviation=689=629…

Q: A sample size 86 will be drawn from a population with mean 90 and standard deviation 24.  find the…

A: