Example 1 Construct a histogram for the following frequency distribution. С. .: Frequency: 10-20 20–30 30-40 40-50 2 6. 4 2

Q: What percent of all the women weigh more than 180 pounds?
 
(d) What percent of women that are 6 fe...

A: Given Information: The correlation between height and weight is r=0.45 Consider height as the indepe...

Q: 4. Verify or show that: a. E[yn] = YN %3D b. E[s²] = S² (Hint: get the average of the sample means o...

A: The total possible samples are, while drawing the sample size (n) from the population of size N by u...

Q: Compute the geometric mean from the following data : 10, 110, 120, 50, 80, 60, 52, 37.

A: we have to find geometric mean of given data.

Q: Exactly 14 of the students have GPA higher than 2.7. The complement is: The number of students with ...

A: Givensample size(n)=75

Q: The proportion of drivers who use seat belts depends on things like age (young people are more likel...

A: Given The data is as follows:

Q: interpret this notation: P(roll an even number | roll a red side)

A: A six sided die is labeled from 1 to 6, and painted different colors. The sides 3, 4, and 5 are blue...

Q: Compute standard deviation for the following data : 5, 8, 7, 11, 9, 10, 8, 2, 4, 6.

A:

Q: "Prove that the value of x for the 2 × 2 contingency table a b is given by N(ad-bc)? (a+b)(c+d)(a+c)...

A:

Q: 6. Calculate Coefficient of Correlation between the values of X and Y given below: Values of X: 65 6...

A:

Q: Babies STEM The proportion of babies born in the United States that are boys has historically been 0...

A: We have given that  Sample size n =45 Population proportion p =0.513

Q: From the following table, find the mean, median and m modal ages of married women at first child bir...

A:

Q: Seventeen people serve on a board and are considering three alternatives: A B, and C. Here are the c...

A: Hi

Q: Answer the questions. Let X represent the number of occupants in a fandomly chosen car on a certain ...

A: Given probability distribution is :  X 1 2 3 4 5 P(X) 0.67 0.13 0.09 0.01 0.10  

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to d...

A: suppose Z follows the standard normal distribution.Z~N(μ,σ)where μ=0  and σ=1

Q: . Find out the likely production corresponding to a rainfall of 40 cms.

A:

Q: The following Tables give some values of X and Y variables. Interpolate the value of Y when X 45. 10...

A: Solution is given:

Q: What is the probability that the person is less than 19 years old? What is the probability that the ...

A: Given Information: Age group No. of people Under 10 257 10 to 18 460 19 to 30 175 more th...

Q: Q6 You have two machines. Machine 1 has a lifetime Tị which is exponentially distributed with parame...

A: Let X be a random variable having exponential distribution with parameter λ. The p.d.f of X is given...

Q: Indicate how each of the following values would be rounded: ( 5789 to the nearest hundred 6501 to th...

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

Q: Calculate the mean deviation (from median) from the following data : Class interval Frequency Class ...

A: Solution is given in the attached photo:

Q: For a standard normal distribution, find: P(z < -1.91) Express the probability as a decimal roun...

A: The objective is to find the indicated area under the standard normal curve.

Q: ic Assume X is a continuous random variable. What is the probability X = 1.500 exactly? Can you give...

A:

Q: Pay Your bills: A company audit showed that of 626 bills that were sent out, 433 were pald on time, ...

A:

Q: The variance of 100, 201, 203, 205 and 207 is 2168.2. The variance of 140, 165, 108, 250 and 202 is:

A:

Q: a) Four married couples have bought 8 seats in the same row for a concert. In how many different way...

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

Q: The following are the marks obtained by a batch of 9 students in a certain test: SI. No. Marks S1. N...

A: Given data is SI.No Marks (Out of 100) 1 68 2 49 3 32 4 21 5 54 6 38 7 59 8 66 ...

Q: (Continuous series-inclusive) Calculate median from the following data : Value Frequency Value Frequ...

A:

Q: $ 20. Calculate the standard deviation from the following data : Size of item Frequency Size of item...

A:   size of items (x) Frequency (f) f⋅x f⋅x2 6 3 18 108 7 6 42 294 8 9 72 576 9 13 117 1053...

Q: 6. Find out the median of the following items : 5, 7, 9, 12, 10, 8, 7, 15 21

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Q: If the 2n RVs A, and B, are uncorrelated with zero mean and E(A²,) = E(B²,) = %3D o, show that the p...

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Q: . in å survey of 70 business firms, it was found that 45 were planning to expand their capacities ne...

A:

Q: Suppose Xhas a Poisson distribution with a mean of 6. Determine the following probabilities. Round y...

A:

Q: How Do Communities Recover after Catastrophic Disturbance?

A: If the disturbance is intense, then, it is known as Catastrophic Disturbance (CD).

Q: What is Mary's z-score in the following subjects?

A: Given: For statistics, μ=86σ=11raw score=89 For general mathematics μ=81σ=7raw score=87 For Pre- cal...

Q: Q10. A population, T is normally distributed with unknown mean, µ and variance 49. A sample of size ...

A:

Q: rete probability distribution: 1. The probability of each value of the random variable must be betwe...

A: 1. Given that  X 1 5 7 8 P(X) 1/4=0.25 1/8=0.125 1/4=0.25 1/8=0.125 Here, 0&lt;P(X=1)=0.25&l...

Q: NOTE: This problem has many steps. You are asked to enter intermediate values in the process. These ...

A: Given that mu = 1466, Q3 = 1668 ( 1 ) z score for 75th percentile ( 2 ) z score for 98th percentile ...

Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10kg....

A: given that ; let random variable X be a weight of senior high school students.and mean(μ)=65 kg  sta...

Q: Direction: Solve the problem by using Pearson rand follow the steps shown in Day 3 example. NOTE: Th...

A: Given: Student X Y A 5 6 B 7 15 C 9 16 D 10 12 E 11 21 F 12 22 G 15 8 H 17 27 ...

Q: Use the inclusion-exclusion principle: Consider the set of 21 consonants and 5 vowels.  How many di...

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.8 year...

A: GivenMean(μ)=14.8standard deviation(σ)=1.6

Q: Suppose X has a hypergeometric distribution with N = 8, n = 3, and K = 4. Determine the cumulative d...

A:

Q: (a) Out of 320 families with 5 children each, what percentage would be expected to have (i) 2 boys a...

A:

Q: Let A and B be two events. Given P(A) = 0.74, P(B|A) = 0.59 and P(B|A') = 0.74, find the following p...

A: Solution-: Given: P(A)=0.74,P(B/A)=0.59,P(B/A')=0.74 We find, (a) P(A∩B')=? (b) P(A'∩B)=? (c) P(A'∩B...

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey...

A: The random variable annual salary follows normal distribution. We have to find the probability that ...

Q: About % of the area under the curve of the standard normal distribution is outside the interval z=[−...

A: Note: this probability value calculated from standard normal distribution table   

Q: Find the random variable X that corresponds to the following: 1. u= 50, o = 12, z = 3 X= 2. u= 50, o...

A: Let X be the random variable from normal distribution then we have to find corresponding raw score? ...

Q: Company XYZ know that replacement times for the DVD players it produces are normally distributed wit...

A: For defining the approximate year for the warranty to be validated, the respective z-score for the s...

Q: If X and Y are independent RVs, each following N (0, 3), what is the probability that the point (X, ...

A:

Q: The mean salary of all employees in a company is $3,485, and the standard deviation is $1,870. Find ...

A: The mean is 3485 and the standard deviation is 1870.