Use the fact that on each​ day, it could either be sunny or​ rainy, and that each day is equally likely to be sunny or rainy to answer the following question.   What is the probability that it is sunny all three​ days?

Q: pos. a. With 95% confidence the proportion of all caterpillars that lived to become a butterfly is…

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Q: digits 1, 3. The board of directors of a corporation must select a president, a secretary, and a…

A: There are total 22 memebers.  n= 22 And we've to select a president, a secretary and a treasure. k=…

Q: A global research study found that the majority of today's working women would prefer a better…

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: Two dice are rolled. What is the probability that the sum is 5 or 11? A. - с. 5 36 В. 36 D.

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: For the following graph, if we add the seventh class, what it would be and what is its midpoint? 8.…

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Q: (b) Use the table from part (a) to find u- (the mean of the sampling distribution of the sample…

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Q: A plant biologist is interested in studying the height of sunflowers. He measures a large sample of…

A: Given: μ = 112 σ = 16

Q: The President of the Farmers Association wants to know how the amount of fertilizer and the amount…

A: The independent variables are water and fertilizer. The dependent variable is growth. We have to…

Q: Harwood and Naylor (1969) wondered whether visual memory changes with age. A standardized test shows…

A: Given 83 63 59 63 55 65 66 60 80 69 65 68 87 69 70 89 68 77…

Q: The amount of time a doctor spends with each patient is exponentially distributed with a mean of 8…

A: From the given information, The amount of time a doctor spends with each patient is exponentially…

Q: et X be the random variable 3 Sum 2/5 Pr(X = x) z Pr(X = z) 1/5 1/5 %3D Pr(X = 1) (a) Fill in the…

A: Let X be the random variable having probability mass function is then we will find the mean and…

Q: If I draw a sample of 14 scores from a normal distribution with a mean of μ = 10, what is the…

A: Given: sample size, n = 14 mean, μ = 10 t score fall in the interval ±1.933

Q: A coin is tossed at the same time with a die. What is the probability of getting a tail and a 3? A.…

A: As per company guidelines I solved only First questions ..thank you

Q: A company is to appoint a person as its managing director who must be an M. Com, M.B.A., and I.A.S,…

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Q: A company that sponsors LSAT prep courses would like to be able to claim that their courses improve…

A: There are two dependent samples which are initial test and post test. We have to find the test…

Q: Family Sales in Period Income Pesos (millions) (thousands) 1 20 600 2 30 800 3 25 1,100 4 28 1,600 5…

A: Let  X=family income  Y=Sales in Pesos  Data given  X:20,30,25,28,31  Y:600,800,1100,1600,1800 Note:…

Q: If S = (0, 1, 2, 3, 4, 5, 6, 7, 8, 9} and A = {(0, 2, 4, 6, 8), B = {1, 3, 5, 7, 9), C= (2, 3, 4,…

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Q: The average time to run the 5K fun run is 24 minutes and the standard deviation is 2.7 minutes. 40…

A: As per Bartleby guideline expert have to answer first three subparts only dear student please upload…

Q: For a data set with variables a and b, we have s = 2, s7 = 4, N N, 10, and s 3. From a, and b, we…

A: Variance of g bar is 0.5.

Q: a)​(c) For each of the accompanying​ scenarios, figure the estimated effect size​ (and whether it is…

A: Given the estimated effect size​ (and whether it is approximately​ small, medium, or large by​…

Q: durine newhart control chart, the analytical performance of the adopted method is often checked…

A: Given Information: Consider the given data: 120 128 112 125 123 133 133 138 156 125 123…

Q: Where should the corporation establish the restaurant based on the predicted profit?

A: here use expected value of profit for identifying location of restaurant

Q: A coin is tossed at the same time with a die. What is the probability of getting a head and a 5? A.…

A: Given that.  A coin and die are tossed at same time  Sample space=S…

Q: (a) By drawing a suitable Venn diagram, carefully explain why AUB= ANB %3D

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Q: Consider the following sample of observations on coating thickness for low-viscosity paint: 0.83…

A: Given0.83,0.88,0.88,1.04,1.09,1.12,1.29,1.31,1.48,1.49,1.59,1.62,1.65,1.71,1.76,1.83sample…

Q: This is  data base  of knowledge of 20 medical students about Covid-19 safety Protocol awereness…

A: The given data has two variables Age and Gender. We have to determine the percentage of correct…

Q: Use the following model generated from backwards multiple linear regression to estimate VOzma (ml-kg…

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Q: 12. An experiment consists of tossing an unfair coin (44% chance of landing on heads) a specified…

A: Here use counting principle and geometric distribution

Q: From the data given below compute Fisher's ideal index for the year 1998 with 1995 as the base year…

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Q: You are an econometrician working in the Ministry of Finance in Trinidad and Tobago and using a…

A: Please note that as per our guidelines if multiple questions are posted we can answer the first one.…

Q: Consider the following. n = 25 X= 22.6 Ho: H 19 Ha: H> 19 O = 20 If the test is done at a o.05 level…

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Q: Which side will the tail be for -0.4 z score for normal distribution?

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Q: A paper company has about 50 paper mills distributed over 3 provinces. The 50 papermills have a…

A: Given  n=80 machines Average thickness=1.2mm The standard error of the thickness=1.3 mm

Q: Question 2: In order to determine the miles per gallon rating for a new midsize minivan, an…

A: Given: Sample meanx¯=31.56Sample standard deviation(s)=0.798Sample size(n)=31.56

Q: A telephone company’s goal is to have no more than five monthly line failures on any 100 miles of…

A: X: the random variable indicating the number of monthly failures on 100 km of line. As the failures…

Q: A recent study investigated whether cell phone users experience separation anxiety when they cannot…

A: The t – critical value is the value, which is obtained from the t – distribution. The t - critical…

Q: Suppose X has a Poisson distribution with a mean of 4.  Determine P(X ≤ 2) using cdf (with MS…

A: Given: X has a Poisson distribution with λ=4

Q: A bag contains 4 blue balls, 5 red balls, and 6 green balls. A ball is taken  randomly. What is the…

A: Given that  Total balls=4+5+6=15 Blue balls=4 , Red balls=5 , Green balls=6 Find  P(not red)

Q: A study is developed to examine the effects of vitamin and milk supplements on infant weight gain.…

A: Solution: Given information: k= 4 groups  n=20 total observations

Q: Is there any relationship between overall service quality provided to tourists, the value of money…

A: Yes,from the given tble it is clear evident that there is relation between overall service quality…

Q: A survey organization, as part of the United States Census Bureau, conducts a yearly census similar…

A: Given that  90% confidence interval=(69699  , 69903) 90% confidence interval=(x̄-E , x̄+E)

Q: Researchers suspect that 18% of all high school students smoke at least one pack of cigarettes a…

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Q: 5. Draw a vertical line through a normal distribution for each of the following z-score locations.…

A: here use standard normal  distribution

Q: (a) Fill in the missing values in the above table.

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Q: In 2008 the Better Business Bureau settled 75% of complaints it received (USA Today, March 2, 2009).…

A: In part b), sample size is 450. In part d), sample size is 200.

Q: Vhat is the interpretation of a Standard Error of 1.67? O a. very high sampling error O b.…

A: The standard error is a measure that indicates the accuracy with which a sample represents a…

Q: Weekly demand at a grocery store for a brand of breakfast cereal is normally distributed with a mean…

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Q: Construct the sampling distribution of the sample mean for the following population and with the…

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Q: Describe the sampling distribution of p. Assume the size of the population is 25,000. n=600, p 0.712…

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Q: A manufacturer of apple phone charges claims that only 4% of his production is defective. In a…

A: Let p be the population proportion od apple phone production defective  n=sample size  p^ be the…