Two cards are drawn from a standard deck of cards. Find the probability  that the first card is heart and the second is a red card?

Q: The following are the average grade of a sample of 20 Senior High School students for the first…

A: Givenclaim isThe average grade of the students is Less than 90sample size(n)=20

Q: From the following data construct the index numbers by Kelley's weighted aggregative method. Items…

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Q: (c) Among 20 randomly chosen cars, what is the probability that more than 2 cars will be loaded with…

A: Here use binomial and normal distribution

Q: and deciduous forests make up 39.6%. Of the 426 sites v 16 as cultivated grassplot, and 61 as…

A: a) The null and alternative hypothesis Ho: The barking deer do not prefer to forge in certain…

Q: In a factory the labour force comprised of 70% male and 30% female E 20% of the male workers and 5%…

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Q: 2. In a study to estimate the proportion of residents in a certain city and its suburbs who favor…

A: Given that  X1=450  X2=240 N1=1000  N2=800 P1=0.45  P2=0.3

Q: 3) Consider the histogram and sample statistics given below, and answer the following questions.…

A: From the given histogram answer the given questions

Q: Find the length of a 99% confidence interval for the mean of the sample with a standard deviation of…

A: We have given that the confidence interval 99% for the mean of the sample with a standard deviation…

Q: An agronomist believes that a newly developed fertilizer will increase the mean harvest of eggplants…

A: Option a correct a. μ > 2.5 kg

Q: A. The mean age for all Foothill College students for a recent Fall term was 33.2. The population…

A: Let X denote the age of a Winter Foothill College student The given information is, sample mean…

Q: An electrical firm manufactures light bulbs for LCD projectors. A randomly selected sample of 24…

A: The random variable life span of light bulbs follows normal distribution. We have to find the…

Q: 2. A graphite furnace atomic absorption spectrophotometer (AAS) was used to determine the arsenic…

A: Scatter plot is the graphical representation of the relationship between two variables of a…

Q: An electrical firm manufactures light bulbs for LCD projectors. A randomly selected sample of 24…

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Q: Determine the sample size required to achieve power = .93, assuming Ho = 12, o = 8, and H: H1 – Ho >…

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

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Q: ) Suppose a license plate has Four distinct letters followed by three digits. How many  different…

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Q: 3. Suppose W is a continuous random variable with density function if x 1, fw (x) = |1- |2| if –1<…

A: Let W  is a continuous random variable with a density function                  fW(x)=0           if…

Q: A fair six - sided die is rolled.Find a. The odds that the number is even. b. The odd number is:…

A: Given that, a fair six-sided die is rolled.

Q: À researcher wishes to test the idea that shoe size and mathematical ability are correlated;, that…

A: The problem is the "entire town." This includes infants, children, as well as adults. Clearly small…

Q: In the US, the systolic blood pressure is normally distributed with a mean of 123 mmHg and a…

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Q: Statistics students in Oxnard College sampled 10 textbooks in the Condor bookstore and recorded the…

A: For the given data Find the linear model and estimate the cost when x =213

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: In a hotel, two dishes- vegetables and non-vegetables are demanded. 80% of its male customers order…

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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: You have a data series and suspect that it's fat-tailed. You have 42 observations and want estimate…

A: Given: The estimate for α = 2.04

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

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Q: Consider a portfolio with two assets, asset 1 and asset 2. Asset 1 has expected return R 1 and…

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Q: What is the 95% confidence interval for the mean number of hours spent by senior high school…

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Q: A married couple agreed to continue bearing a new child until they get two boys,  but not more than…

A: Let p be the probability of getting boy  q be the probability of getting girl  p=q=0.5 , n=number…

Q: A distribution of values is normal with a mean of 190 and a standard deviation of 5. Find the…

A: GivenMean(μ)=190standard deviation(σ)=5

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: The table shows the joint and marginal relative frequencies. Pets Cats Dogs Total Вoys 0.14 0.25…

A: Given that  Joint Relative Frequency table    Cats Dogs Boys 0.14 0.25 Girls  0.18 0.43

Q: Consider the monthly rent (Rent in $) of a home in Ann Arbor, Michigan, as a function of the number…

A: Multiple regression equation : Many regression predicts the value of one dependent variable by…

Q: The probability distribution given below represents the projected profit (in thousands of dollars)…

A: Solution-: The probability distribution given below represents the projected profit (in thousands of…

Q: (a) Find the sample mean of X, Mark your answer here 13 (b) Find the sample variance of X, Mark your…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPARTS  Here sample size = 5

Q: 7. One of two boxes contains 4 red balls and 2 green balls and the second box contains 4 green and…

A: For the given data Solve the probabilities

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

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Q: Suppose you have to construct a 98% confidence interval for a 10-sample study, what is the…

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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: English 35 23 47 17 10 43 96 28 Mathematic 30 33 45 23 8 49 12 4 31

A: We have given that,  English (X) :- 35, 23, 47, 17, 10, 43, 9, 6, 28 Mathematics (Y) :- 30, 33, 45,…

Q: Consider the single factor completely randomized single factor experiment shown below. Suppose that…

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Q: Match each scatterplot shown below with one of the four specified correlations. a. 0.25 b. -0.75 C.…

A: Here, in the figure 1- it is negative correlation between two variables. It is (-0.22). In the…

Q: Suppose X1,X2,...,X, from a real-valued random variable X with unknown mean µ and standard deviation…

A: Suppose X1,X2,X3,.....Xn from a real-valued random variable X with unknown mean µ and standard…

Q: Please solve both and show the work for each of them and parts and can you please show the r code.…

A: Here is given that, mean is 436.5 and standard deviation is 11.9. Sample number is 20. We will use…

Q: The heights of University players are normally distributed with a mean of 160 cm and a standard…

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Q: From the data given below find out the Index numbers for each of the years iven using (i) Mean, (ii)…

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Q: with a standard deviation of 0.6 ounces. If the manufacturer decides on a significance level of 0.05…

A: Here use single sample t test

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: if μ0=19.53, μ1=19.63, σm = 5, and mcritical= 19.58, calculate β for H1: μ1-μ0 > 0. please use excel…

A: From the given information, μ0=19.53μ1=19.63σm=5mcritical=19.58 H1: μ1-μ0 &gt; 0

Q: Will be (a) What is the probability that none of the balloons in a packet will be defective? (b)…

A: Here AS PER guidelines I HAVE CALULATED 3 subparts  here  p = probability of defective balloon =…