Find out some applications of statistics in Business? Find out some applications of statistics in our real life? Find out some examples of data and information from our daily life?

Q: Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is…

A: Given data of 300 fish; Lengths(mm) Frequency 120-121 1 122-123 16 124-125 71 126-127 108…

Q: The article "The Uniform Distribution as a First Practical Approach to New Product Inventory…

A: given data (a) uniform distribution minimum 5, maximum 30

Q: The following dataset will be used for all remaining problems. Weight, in grams was measured in 18…

A: 4. From the given values, Minimum value=261 Maximum value=1655 width=100 Therefore, the number of…

Q: Suppose Emerson loses 26% of all checker games. (a) What is the probability that Emerson loses two…

A: Given: The probability that Emerson loses all checker games is = 0.26

Q: question Flag of Find E (²). O 0.325 O Not possible O 0.264 O 0.462 0 Consider a Uniform…

A: Uniform distribution is the type of continuous distribution. Uniform distribution has no parameters.…

Q: Venus Flycatcher Company sells exotic plants and is trying to decide which of two hybrid plants to…

A: Given data:

Q: A Values 7. 7. Which box plot matches the given frequency histogram? Values 6- D Frequency 10 0 0…

A: We can see that, the tail of the data is on left side. So the above histogram is left skewed and…

Q: Question: Suppose that I want to construct a 95% confidence terval for a mean when o is known. What…

A:

Q: Patient 0 was told he was not exposed to a virus based on his swab test, but he was in fact…

A: Given that Patient 0 was told he was not exposed to a virus based on his swab test, but he was in…

Q: At a sexually transmitted disease (STD) clinic in Miami, Florida, patients were screened for…

A: Introduction: The study involves a test for hepatitis C.

Q: Let A and B have the joint probability density function f (a,b) = 6(1-a - b) for a+b 0, b>0 and it…

A:

Q: Your employer wants to compare the performance of two shops owned by your company: Shop A and  Shop…

A: Given the amount of sales (in 1,000 Euros) on 7 days randomly selected in the last three months as…

Q: 27. Based on this scenario, determine whether you would use a z-statistic, t- statistic, neither, or…

A: given data   we have to find we use  z test or t  test from 95% CI for μ  sample size, n = 23…

Q: Let 13 cards be taken, at random and without replacement, from an ordinary deck of playing cards. If…

A: Given that: Number of cards taken at random without replacement, n = 13 X and Y represents the…

Q: Using the same probability as described in Question 5, and assuming that moves in the market are…

A:

Q: a. Mean b. Range c. Standard Deviation

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

Q: Statistics which describe the dispersion of scores around a typical score are measures of: Select…

A: The measure of dispersion that can be used to find the dispersion of scores around a typical score…

Q: 5. IQ Some IQ tests are standardized to a Normal model, with a mean of 100 and a standard deviation…

A: a) Suppose a random variable X defines the IQ test score.

Q: 6.46 Suppose that Y has a gamma distribution with a = n/2 for some positive integer n and B equal to…

A: Given Y~Gamma(ɑ=n/2,β)

Q: Scores on a biology final exam are normally distributed with a mean of 220 and a standard deviation…

A: Percentile is the measure that divide the data into 100 equal parts. It has 99 points to separate…

Q: 1. (a) A factory produces steel pipes which are required to pass quality checks, the probability of…

A: Given thatProbability (p) = 0.15number of pipes (n) = 10 Here we will use binomial distribution…

Q: 2. A representative representative is selected at random. Find the probability the is female given…

A: 2. The given table shows the US house of representatives had the demographics.

Q: 1. The cost of university education is normally distributed with average of $200 and standard…

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Q: Two random variables X and Y have means X = 1 and Y=2, variances o=4 and o=1, and PXY = 0.4. New…

A:

Q: 2.35 Does Stress Affect Academic Performance? Students in the ACHA-NCHA survey were asked, "Within…

A: We have to answer the questions using bar diagrams.

Q: Kara categorized her spending for this month into four categories: Rent, Food, Fun, and Other. The…

A: Kara spent a total of 1,2000 in one month. She spend 333 on rent. What percentage did she spend on…

Q: Given the data below are the number of students in each age group. Number of students 2 4 Ages 15-18…

A: Given data:

Q: (A) Some form of evidence for normality should be provided before doing statistical analyses. (B)…

A: In test of normality can check is the underlying distribution of the data is normal or not. There…

Q: Compute for the following problems stated below. Upload your computation for each problem. Express…

A: The sample mean is obtained as follows: x=1n∑i=1nxi=1457.63+57.68+57.66+57.63=230.604=57.650 Now,…

Q: Compute for the following problems stated below. Upload your computation for each problem. Express…

A: Hi, since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: Questions 1. In Part 1, what was the expected ratio of heads to tails for tosses of a single coin?…

A: The part 1 of the question gives us observed and expected values of heads and tails after 20,30 and…

Q: h=110 deviation of 15 find thearea under the normal curve x is 90 to 110

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Q: K The lengths of pregnancies are normally distributed with a mean of 266 days and a standard…

A: We have given that Mean(µ) = 266Standard deviations (σ) = 15X ~ N (µ, σ )= N(266,15)

Q: FAVORABLE=.70 REVIEW 2 FAVORABLE UNFAVORABLE NO REVIEW 31 5 Should you have the product reviewed?…

A: Given  Favorable =0.7 Not favorable = 1- favorable = 0.3 First we will calculate EV review and EV…

Q: Ages Number of students 15-18 4 19-22 5 23-26 10 27-30 5 31-34 10 35-38 5 Find the relative…

A: Given data Frequency distribution table Class Frequency 15-18 4 19-22 5 23-26 10 27-30 5…

Q: What happens when you overfit a regression model?

A: Overfitting of the model:- When the model performs much better in train data comparison to test…

Q: Consider the endothermic reactions given below. Let A denote the event that a reaction's final…

A: Given: A is the event that a reaction's final temperature is 271K or less. B is the event that the…

Q: Suppose the probability density function of the length of computer cables is f(x) = 0.1 from 1200 to…

A: Given: f(x) = 0.1 a = 1200 b = 1210 Formula Used: Mean μ = a+b2 Standard deviation σ = (b-a)212

Q: For questions 5-7, match the term with the symbol or expression on the right. | 5. Theoretical mean…

A: In this case, we need the match the term with suitable symbol or expression.

Q: a. What is the distribution of X? X - N( 74 17 b. What is the distribution of ? -N 74 c. If a…

A: It is given that  Mean, μ = 74 Standard deviation, σ = 17 Sample size, n = 15 Z-Score, Z = ( X - μ…

Q: (C(2x+y), 0≤x≤2, 0≤ y ≤3 otherwise b) Iff (x, y) = ) = {C(²x+y); 0, i) find the value of C and ii)…

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Q: The thickness of photoresist applied to wafers in semiconductor manufacturing at a particular…

A: Let X: the thickness of photoresist applied to wafers in semiconductor manufacturing at a particular…

Q: An experiment consists of first rolling a die and then tossing a coin: (a) How many elements are…

A: Given that  First a die is rolled then tossing a coin

Q: A scientist sampled 200 kids and recorded their weights. The appropriate visual plot should be: a.…

A: Given: A scientist sampled 200 kids and recorded their weights.

Q: Example 11. Following is the population of some cities in thousands. Present by a suitable diagram.…

A: Given: City Mumbai Calcutta Chennai Delhi Andhra Pradesh Population 3600 2500 1600 900 400

Q: Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a)…

A:

Q: Use the given frequency distribution to construct a frequency histogram, a relative frequency…

A: Hi! Thank you for the question As per the honour code, We’ll answer the first question since the…

Q: 10) 10 attempts remaining. For the given data, find Ex and n: Ex = n = 6 Submit answer x₁ = 2.9, x₂…

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Q: Which is better (or has a higher relative position):       a score of 89 on a test with a mean of…

A:

Q: A coach asked her athletes if they enjoy running. Fifty-five percent of the team do not like to run.…

A: Given: Athletes do not like to run = 55% Of those, Enjoy cycling = 60% Enjoy both running and…