At a deli counter there are 7 sandwiches with meat and 6 vegetarian sandwiches. Carols is at the counter buying sandwiches for a picnic. In how many ways can he choose 4 sandwiches if 2 or more must be vegetarian sandwiches?

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A: Given Mean=18 Standard deviations=2.5

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A: Given data setclass             class midpoint61-64                6365-67                66.568-69…

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A: The Random Variable X counts the number of students in a 23 person class who passed an exam.  If the…

Q: Suppose that the mean score of a class of 32 students was 80. The 20 male students in the class had…

A: Given,The mean score of 32 students(x¯)=80The mean score of 20 male students(M)=68

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A:

Q: Use the t-distribution table to find the critical value(s) for the indicated alternative hypotheses,…

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A: here given ,  n = 20  sample mean  = 53 sample standard deviation  =  12  alpha  = 0.01

Q: example solution of mean and variance using Bernoulli Distribution

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Q: A news company reported that 6% of adult Americans have a food allergy. Consider selecting 10 adult…

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Q: Generally speaking, would you say that most people can be trusted? A random sample of n, 258 people…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

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A: GivenMean(μ)=188standard deviation(σ)=7.2sample size(n)=13

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A: We have given that  X ~ N (µ, σ )= N(2, 4) Mean(µ) = 2 Standard deviations (σ) = 4

Q: mistake six burned out light bulbs (B) have been mixed up with 4 good (G) ones. If a random sample…

A: Given that ; Bad bulbs ( B) = 6 Good Bulbs ( G) = 4 Total bulbs (N) = 6 +4 = 10 By using combination…

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A: Experimental Design A design or a plan that is providing a solution by interchangeable means and is…

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Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: GivenMean(μ)=117standard deviation(σ)=45sample size(n)=40

Q: If x represents a random variable with mean 131 and standard deviation 40, then the standard…

A: Given that ; u = 131  ? = 40 Sample size ( n) = 100 Here we use the concept of standard normal…

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Q: With 4 tosses, you get a head on the first toss and a tail on the last toss?

A: here given ,  probability of head  = p = 2/3  probability of Tail = q = 1/3

Q: (iv) Based on your answers in parts (1)-(iii), will you reject or fail to reject the null…

A: see the attachment.............

Q: If the sample size is 100 and the population standard deviation is 20, then the standard deviation…

A: Given  True or false question Sample size=100  Population standard deviation=20  We need to…

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Q: Select one: O a. Converse O b. Contrapositive Oc. Inverse O d. Biconditional

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Q: If, in a sample of n = 20 selected from a normal population, X= 53 and S = 12, what are the critical…

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Q: 1 example solution of mean and variance using Hypergeometric Distribution.

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Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 448 green peas…

A: Given,n=448+165=613x=165p^=xnp^=165613=0.26921-p^=1-0.2692=0.7308α=1-0.95=0.05α2=0.025Z0.025=1.96…

Q: Find the data value is Z = 1.6, µ-30, σ = 2.4 Write the data value rounded to 2 decimal places.

A: Given that μ=30,σ=2.4,z=1.6 Data value ( x )=?

Q: Find the Mean number of the percents 4.38+4.62+4.88+5.02+5.33+6.30

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Q: 6. Let X₁, X₂, ..., X₁ be a random sample from Normal(0,0), 0 > 0. Propose a pivotal quantity and…

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Q: hanks to an initiative to recruit top students, an administrator at a college claims that this…

A: From the provided information, Sample size (n) = 10 Sample mean (x̄) = 119 Sample standard deviation…

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Q: 1. For the continuous distribution below, find each of the following probabilities: a. P(X c) c.…

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Q: Suppose a certain Statistics instructor wants to estimate the proportion of students who enjoy…

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Q: The overhead reach distances of adult females are normally distributed with a mean of 200 cm and a…

A: From the provided information, Mean (µ) = 200 Standard deviation (σ) = 7.8 X~N (200, 7.8) Here X be…