The heights of American adult males are normally distributed with a mean of 177 cm and a standard deviation of 7.4 cm. Use the Empirical Rule to find the range of heights that contain approximately (a) 68% of the data cm -- cm (b) 95% of the data cm -- cm (c) 99.7% of the data cm -- cm

Q: 10. On a typical keyboard, there are 26 small cap letters, 26 uppercase letters, 10 decimal digits,…

A: It is asked to solve question no. 10 only. So, we will solve only that for you.

Q: 20. The following data states the number of ATM centres during 1995–2001. Year: 1995 1996 1997 1998…

A:

Q: 10. Fit a straight line trend to the data given below by the method of least squares. Year: 1989…

A:

Q: numbers from the numbers 1 What is the probability of winning a lottery in which you must choose…

A: a) The formula for combination is nCr= n! / [r! (n – r)!] = [n (n – 1) … (n – r + 1)] / r!.…

Q: S The profit made by 130 firms in a year are as follows. Find the arithmetic mena Profits (*000) Rs:…

A: Given that  Frequency distribution table  Profit  Number of firms  1-2 5 2-3 27 3-4 36…

Q: Suppose your friend has a lottery ticket that presents the following gamble: Win $91 with a…

A: From the given information, Win $91 with a probability p Lose $10 with a probability 1-p Also assume…

Q: 9. Fit a straight line trend by the method of least squares. Year: 1990 1991 1992 1993 1994 1995…

A:

Q: 2. (1) Compute for the Relative Frequency and Percent Relative Frequency for the Frequency…

A: Given: N=160

Q: plays 22 games this season. What is the probability that he will score in exactly 10 games? O…

A:

Q: use the probability of the union of two events, independent, or dependent events in solving the…

A: Let A be the event for getting 2 or 3 on first toss  B be the event for getting 4,5 or 6 on the…

Q: (2) Determine the areas under the normal curve given the mean of the distribution u = 80 and o =…

A:

Q: A die is loaded such that the odd numbers have the same chances of occurrence, the even numbers have…

A: Let p be probability of observing 5, than by given condition probability of observing 4 is 2p As it…

Q: Define deseasonalisation of data.

A:

Q: (0.002 e-0.002 t,t 20 10, Example - 2: Consider the pdf f (t) = with t in hours. other wise i)…

A: i) Reliability function, R(t): Rt=∫t∞ftdt      =∫t∞0.002e-0.002tdt     =0.002e-0.002t-0.002t∞…

Q: In monopoly, a player rolls two 6-sided dice and moves the sum of the values shown. If it's your…

A: The player rolls a two 6-sided dice and moves the sum of the values shown. If it's your turn to roll…

Q: Example 20. The monthly salary of a person was Rs. 320 for each of the first three years. He next…

A:

Q: We have three different drugs T, F and H. Drugs T and F cure a V virus in 60% and 80% of cases,…

A: Given Information: There are three drugs T, F and H. Drug T cures virus V in 60% of cases. Drug F…

Q: The probability that Mr. Adam comes across a red light is 0.45 at any intersection. What is the…

A:

Q: Given that the outcome is a green ball, is it more likely than the ball was drawn from Bin 1 than…

A: Let us define some events A : Bin 1 is selected. B : Bin 2 is selected. E : ball is green. The…

Q: 17. Е(X). . 18. Е(X + Y). 19. Е(X?).

A: For the given data Find E(X ) =? E(x+y ) =? E(X2 ) = ?

Q: Q. 18 Explain the uses of Time Series.

A:

Q: use the probability of the union of two events, independent, or dependent events in solving the…

A:

Q: Example 5. Find the coefficient of correlation between the heights of brothers and sisters from the…

A: It is given that X denotes the heights of brothers And Y denotes the heights of sisters. Required :…

Q: (b) Considering g(x), determine P(0.5 = 2.O)

A:

Q: Half of a class took Form A of a test, and half took Form B. Of the students who took Form B, 39%…

A:

Q: Consider the following. (Give your answers correct to four decimal places.) (a) Find P(-2.1 < z <…

A:

Q: In a Hardy-Weinberg situation, suppose that 181 out 400 individuals in a population express a…

A: The following information has been provided: The total number of individuals =400. The number of…

Q: Consider a family of three children. Find the following probabilities: (a) P(two boys|first born is…

A:

Q: Assume that you plan lo use a significance level of a0.06 to test the claim that p, "P Use the given…

A:

Q: Example 3. A survey company investigated 800 car owners and found, 65- owned Maruti car and 300…

A:

Q: 4. It is your little brother's birthday, and he has invited 5 of his friends to come to his party.…

A:

Q: 7. Fit a straight line trend by the method of least squares to the following data. Year: 1989 1990…

A:

Q: 3. Below is the preference schedule for an election where the winner is determined by single runoff.…

A: Voters and choices given We have to calculate winner by using runoff method.

Q: For numbers 28-30: Let X, Y, Z be random variables each having a mean u and variance o?. Further,…

A: In question, We have given three random variables X, Y, Z with mean mu and variance sigma^2. And…

Q: Imagine a man has two emotional type for each day: Happy and Sad. If he is happy in one day, then…

A:

Q: Imagine a man has two emotional type for each day: Happy and Sad. If he is happy in one day, then…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: How many different samples of 4 can be selected from the 50 disks? (ii) How many of these samples…

A: It is given that Number of defective disks = 5 Number of non defective disks = 45 Total disks = 50…

Q: Two unfair dice are thrown where odds are twice as likely to occur as events. A. Find the…

A: Two unfair dice, Odds are twice as likely to occur as events. Probability = Favorable outcomes…

Q: A simple binary communication channel carries messages by using two signals 0 and 1.It was assumed…

A:

Q: .. Let X, Y, Z be random variables each having a mean µ and variance o². rurther, let Cov(X, Y) = 2,…

A: In question, Given that X, Y, Z are three random variables with mean mu and variance sigma^2. And…

Q: How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 0, which are divisible by 5…

A:

Q: Toss two fair dice, and let A, B e {1,2,3,4, 5, 6} be the outcomes, and consider the quadratic…

A: Given that, two fair dice is toss. Let           A,B∈1,2,3,4,5,6 be the outcomes i.e.,…

Q: A "punishment" game consists of two parts described as follows: • Step 1: Flip three fair coins, and…

A:

Q: What is the expected foreign exchange rate?

A: here given  The current foreign exchange rate is 1 USD = Php 45. Assuming that the probability that…

Q: If X is a random variable with the probability density function: f (x) = c)x), for -1<x<1 and 0…

A:

Q: Let Y denote the present value of a ten-year deferred 30-year temporary life annuity- 100, immediate…

A: Given that Y denote the present value of a ten-year deferred 30-year temporary life…

Q: (i) Only Palio (iv) Palio and Chevlot but not Matiz

A:

Q: Example 7. In a survey of 35 students, 17 have opted Management, 10 have opted Management, but not…

A:

Q: he weight of the package is normally distributed with a mean of 650 g and a standard deviation of 42…

A: Given that  The weight of the package is normally distributed with a mean of 650 g and a standard…

Q: 13. Given below are the figures of production of a factory. Year: 1992 1993 1994 1995 1996 1997 1998…

A: