Assuming that half the population is vegetarian so that the chance of an individual being a vegetarian is ; and assuming that 100 investigators can take sample of 10 individuals to see whether they are vegetarians, how many investigators would you expect to report that three people or less were vegetarians ?

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A: which of the following is the best approximation of the standard deviation of the normal curve shown...

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Q: Calculate Pearson's coefficient of correlation from the following data. Take 65 and 70 as the assume...

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Q: (f) Op(1)Op(1) = Op(1)

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A: We have given that  Mean = sum of all observations/total number of observations 

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A:   There are 7 red, 12 white and 4 green. Thus total number of balls is 23.

Q: Solve the following. Round your answer to 4 decimal places. 1. According to Dietary Goals for the US...

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Q: (b) From the distribution you found in part (a), what can you say about the distribution of X? The ...

A: Given: X 0 1 2 3 4 5 6 7 P(X=x) 0.2791 0.3907 0.2344 0.0781 0.0156 0.0019 0.0001 0.00000357

Q: 3. The sodium content (in grams) of 16 randomly selected breakfast cereals are given below. 125 220 ...

A: Given,sample size(n)=16degrees of freedom(df)=n-1df=16-1=15α=1-0.90=0.1α2=0.05t0.05(15)=1.753     (f...

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Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval...

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Q: Test each of the following by performing the steps in hypothesis testing. The mean sales of 50 sale...

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

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Q: Calculate Pearson's coefficient of correlation from the following data. Take 65 and 70 as the assume...

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Q: When two dice are thrown , find the expectation of sum of numbers (digits) on them.

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Q: When the population mean ( 'µ') is not equal to specified value of , then the alternative hypothesis...

A: There are 2 hypothesis in hypothesis testing: Null hypothesis  Alternate Hypothesis

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Q: 1. A binomial distribution is symmetric at p = 2 and approaches symmetry when n>0 for a fixed p.

A: Please find the solution below. Thank you.

Q: Testing: H0:p=0.59H0:p=0.59 H1:p>0.59H1:p>0.59 Your sample consists of 105 subjects, with 59 success...

A: GivenH0:p=0.59H1:p&gt;0.59x=59n=105

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Q: thousand dollars. (Round to one decimal place as needed.) (a) The sample mean is x =

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Q: A certain tennis player makes a successful serve 70% of the time. Assume that each serve is independ...

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Q: idence level=95% idence level= 99%

A: We have to find sample size required for given ci.

Q: Urn A contains 3 white and 4 red balls. Urn B contains 4 white and 5 black. If an urn is chosen at r...

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Q: Four coins are tossed simultaneously. What is the probability of get.ing (i) 2 heads and 2 tails (ii...

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Q: 16. If 12P4 = 11,880 , then what is 12C4 ? *     495 330 715 220

A: GivenP412=11880

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Q: # 3) Rockwell hardness testing is an indentation testing method. The indenter used is either a spher...

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A: Given Mean(x)=94standard deviation(s)=9.12sample size(n)=21confidence interval = 90%

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Q: A coin is tossed six times. What is the probabi- lity of obtaining (a) 4 heads, (b) 5 heads, (c) 6 h...

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Q: Show two (one of the first three and one from the bottom three) of the following properties on Stoch...

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