Illustrate the following normal random variable: 1. Suppose that ages in a beauty pageant are normally distributed with a mean of 18 and a of 4. 2. Suppose that the average monthly incomes are normally distributed with a mean of Php standard deviation of Php 3, 000. 3. Suppose that the hourly rates of an internet café are normally distributed with a mean of standard deviation of Php 2.

Q: Suppose that a random sample of 200 twenty-year-old men is selected from a population and that these…

A: Given: Sample size n = 200 The regression equation Weight = (-95.4336) + 3.7824×Height Coefficient…

Q: Ho: μ=85; Hα: μ*85. The sample mean is μ 88, the sample size is 20, and the sample standard…

A: Given,H0:μ=85Ha:μ≠85sample mean=88sample size=20sample standard deviation=8α=0.10

Q: viation is 295 dollars, and the cost is normally distributed. You take a simple random sample of 9…

A: as per our company guidelines we are able to answer only first 3 sub-parts. Kindly repost other…

Q: A study was conducted that investigated the gene ACTN3, which encodes a protein that functions in…

A: A study was conducted that investigated the gene ACTN3, which encodes a protein that functions in…

Q: The following display from a TI-84 Plus calculator presents the results of a hypothesis test for a…

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Q: The price of the ordinary N25 shares of Manco plc quoted on the Stock Exchange at the close of…

A: Given data indicates the rice of the ordinary N25 shares of Manco plc quoted on the Stock Exchange…

Q: Shoe Size of Student Ages and Shoe Sizes of Students in Ms. Ochoa's Class 11 12 13 14 Age of Student…

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Q: 2. Physicians say that the normal temperature of a person's body is 37°C. In a class, the…

A: Given data: Temperatures: 36.8, 37.3, 36.5, 37, 37.5, 37.1, 36.7, 37, 37.1, 36.9 Level of…

Q: Find the mean, median, and mode of the data, if possible. If any of these measures cannot be found…

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Q: a) 10th percentile b) 75th percentile c) 85th percentile Click here to view page 1 of the standard…

A: Given : Population Mean,μ = 1493 Population Standard Deviation,σ = 339

Q: 2. For the following frequency table find the mean by: (i) Direct Method (ii) Short-cut Method (iii)…

A: The question is about mean of grouped data Given :

Q: FUNDAMENTALS OF MATHEMATICAL STATISTICS A number of particular articles has been classified…

A: Given that.  Median for first weighing=20.83gm Median for second weighing =17.35gm

Q: Use the standard normal distribution to find P(-2.25 < z < 0). 0.6831 0.5122 0.4878 0.0122

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Q: Visit your local library: On a recent Saturday, a total of 1399 people visited a local library. Of…

A: Given : Total people=1399 Under age 10yrs=249 Between age 10-18yrs=455 Between age 19-30yrs=162…

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Q: Scenario 4: A researcher investigated the relationship between family income and their savings.…

A: Given: Sample size n = 15 Correlation coefficient r = 0.76 Significance level α = 5% = 0.05…

Q: Test A. Directions: Analyze the given problem below. As per Beat Covid-19 Today, a Covid-19…

A: According to policy, we supposed to answer 3 part, kindly repost for remaining.

Q: Practice/ Exercise: A. A sample of investment experts was asked to give their opinion as to where…

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Q: Find the indicated area. Find the area of the indicated region under the standard normal curve.…

A: Given data is

Q: Scenario 2: The mean content of 25 bottles of brand S mango juice is 255 ml with a standard…

A: Null hypothesis: H0: μ = The bottle contains on average of 260 ml of mango juice That is, H0: μ =260…

Q: Do men score higher on average compared to women on their statistics finals? Final exam scores of…

A: The objective is to test whether men score higher on average compared to women on the statistics…

Q: Consider the listed actual demand in the table to the left. If the 6-week moving average forecast…

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A: Selection of an appropriate inferential statistic depends on certain key conditions.

Q: Practice Exercise 1. A grade 11 student of Tabaco National High School surveyed the households in…

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Q: FIND THE TEST STATISTIC VALUE AND ITS CONCLUSION FOR THE PROBLEM BELOW. THE PRESIDENT OF A SERVICE…

A: Given:Population proportion (P0)=60%=0.6Sample proportion (p)=64%=0.64Sample size (n)=500,000Level…

Q: The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.),…

A: Givenp=0.10n=6Let "x" be the no. of adults doing a one-time…

Q: Scenario 2: The breaking strength of cables produced by a manufacturer have a mean of 1800 lb and a…

A: Given Information: Sample size n=50 Sample mean x¯=1850 Hypothesized value of population mean…

Q: Scenario 3It was reported that 54% of kids said that they had snack after school. A random sample of…

A: Hypothesis :-                         Ho :- Population proportion equal to 0.54…

Q: The logit regression between bankruptcy and the profit margin is as follows. bankruptcy = b0 +…

A: Solution

Q: Let x be a continuous random variable with a standard normal distribution. Using the accompanying…

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Q: P(10 ≤ x ≤ 26) =

A: here given , mean = 15.2  standard deviation  = 4.3

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Q: A random variable X given in the probability distribution below is the number of persons entering…

A: The random variable X denotes the number of persons entering the bank every hour during a span of…

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A: *Answer:

Q: Question1. Based on our discussion, explain the difference between Z-value and T-value in details

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Q: Express the following set in set-builder notation. {9, 11, 13, 15, 17, 19, 21} Select the correct…

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Q: 2. For the following frequency table find the mean by: (i) Direct Method (ii) Short-cut Method (iii)…

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Q: A probability function for a discrete random variable, Y, is shown below.     y P(Y=y) 4 0.4…

A: Y 4 6 8 10 P(Y=y) 0.4 0.2 0.2 0.2

Q: The CEO of a large electric utility claims that at least 80 percent of his one million customers are…

A: Assume that p is the true proportion of satisfied customers.

Q: The average American consumes 97 liters of alcohol per year. Does the average college student…

A: (a)   Determine the type of study used.   The type of study used is determined below as follows:…

Q: Due to continuous heavy losses the management decides to bring down the strength to 30% of the…

A: The term central tendency refers to the center, or typical, value of a group of information, which…

Q: Class Interval 0-9 10 - 19 20-29 30-39 40 - 49 64857 n = <CF

A: Given data is Class Frequency(fi) 0 - 9 6 10 - 19 4 20 - 29 8 30 - 39 5 40 - 49 7

Q: Use the given confidence interval to find the margin of error and the sample proportion…

A: Given confidence interval is  (0.663,0.691)let margin of error is E and sample proportion is p^

Q: The explanatory variable in linear correlation/regression model is recorded on which of…

A: Answer:-  The explanatory variable in linear correlation/regression model is recorded…

Q: 2. The weekly load allowance of a grade 11 STEM student in an online class in Calculus is shown…

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Q: Evaluation: Solve the following problems. 1. In a given normal distribution, the sample mean is 65…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: . The probability density function for the diameter of a drilled hole in millimeters is 10 e 10(x-5)…

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Q: A biologist looked at the relationship between number of seeds a plant produces and the percent of…

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Q: A study was done to look at the relationship between number of vacation days employees take each…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: w and label the Normal model H percent of adult women do you expect to have cholesterol levels over…

A: Given Mean=183 Standard deviation=26