Calculus and Above

Related Calculus and Above Questions
Problem 11: Randomly selected customers at a Brewed
Problem 11: Randomly selected customers at a Brewed Awakenings were asked how many cups of coffee they usually drink per day. The results are listed in the table. Complete the discrete probability dis… read more
Sandhya_sharma
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Coal is carried from a mine in West to a power plant in New
Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 84 tons of coal into each car. The actual weight… read more
Sandhya_sharma
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Porphyrin is a pigment in blood protoplasm and other body
Porphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy and storage. Let x be a random variable that represents the number of milligrams of porphyrin per de… read more
Sandhya_sharma
Master's Degree
Master's Degree
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Method 1: Use the Student's t distribution with d.f. = n −
Method 1: Use the Student's t distribution with d.f. = n − 1.Method 2: When n ≥ 30, use the sample standard deviation s as an estimate for σ, and then use the standard normal distribution.Consider a r… read more
Sandhya_sharma
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Stastics. In a class of 24 students, 9 of them have been to
In a class of 24 students, 9 of them have been to Sweden . Suppose you select 2 students at random ( one after the other, without replacem ent). Let x be the number of students in your sample of 2 students who have been to Sweden . 21) What's the probability that x = 0, that is, neither of the students has been to Sweden? a) 0.6250 b) 0.3804 c) 0.4891 d) 0.3750 22) What's the probabil ity that x = 2, that is, both of the students have been to Sweden? a) 0.75 b) 0.1406 c) d) 0.1304 23) What word best describes the variable x ? a) Discrete b) Continuous c) Total d) Normal … read more
Sandhya_sharma
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Suppose x has a distribution with μ = 18 and σ = 17. (a) If
Suppose x has a distribution with μ = 18 and σ = 17. (a) If a random sample of size n = 34 is drawn, find μx, σ x and P(18 ≤ x ≤ 20). (Round σx to two decimal places and the probability to four decima… read more
Kofi
Ph.D.
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A manufacturer knows that their items have a lengths that
A manufacturer knows that their items have a lengths that are skewed right, with a mean of 18.1 inches, and standard deviation of 0.6 inches.If 43 items are chosen at random, what is the probability t… read more
Sandhya_sharma
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Master's Degree
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Suppose a simple random sample of size n=49 is obtained from
suppose a simple random sample of size n=49 is obtained from a population with μ=84 and σ=28. Choose th ecorrect description of the shape of the sampling distribution of x. a. the distribution is unif… read more
R.R. Jha
Bachelor's Degree
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1. The cashier service time at the local branch of the Rivertown
1. The cashier service time at the local branch of the Rivertown bank has an exponential distribution with a mean of 2.5 minutes. What is the probability that the service time: Is between 2 and 4 minu… read more
akch2002
Master's Degree
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1) A point is generated at random in the plane according to
1) A point is generated at random in the plane according to the following polar scheme. A radius R is chosen, where the distribution of R^2 is X^2 with 2 degrees of freedom. Independently, an angle θ … read more
Dr Arthur Rubin
Doctoral Degree
Doctoral Degree
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Problem Set 4 1) Complete exercises 5.3, 5.7, 5.13, 5.17,
Problem Set 4 1) Complete exercises 5.3, 5.7, 5.13, 5.17, 5.19, 5.35 (parts a, b and c only) in the textbook. a) Note that 5.35 is a binomial exercise. 2) Complete exercises 6.1, 6.5, 6.9, 6.11, 6.13,… read more
Ryan
Bachelor's Degree
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1. Consider a population with mean μ = 77.6 and(Standard Deviation)
1. Consider a population with mean μ = 77.6 and(Standard Deviation) σ = 5.63. (A) Calculate the z-score for x̅ = 76.1 from a sample of size 52. (B) Could this z-score be used in calculating probabilit… read more
Math-John
30 satisfied customers
Helllo my question for Business statistics is The area under
Helllo my question for Business statistics is The area under the normal curve between z = 0 and z = 1 is ___ the area under the normal curve between z = 1 and z = 2 The choices are 1) less than 2) gre… read more
SusanAthena
Master's Degree
Master's Degree
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Answer the following:(A) Find the binomial probability P(x
Answer the following: (A) Find the binomial probability P(x = 5), where n = 14 and p = 0.50. (B) Set up, without solving, the binomial probability P(x is at most 5) using probability notation. (C) How… read more
Ryan
Bachelor's Degree
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1. A set of 50 data values has a mean of 44 and a variance
1. A set of 50 data values has a mean of 44 and a variance of 16. I. Find the standard score (z) for a data value = 51. II. Find the probability of a data value < 51. 2. Find the area under the sta… read more
Scott
Master's Degree
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The probability distribution table at the right is of the discrete
The probability distribution table at the right is of the discrete random variable x representing the number of patients waiting outside of a doctor's office. Answer the following: x P(X=x) (a) Determ… read more
Stevewh
Teacher
Bachelor's Degree
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1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
SusanAthena
Master's Degree
Master's Degree
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Hi Susan. I have some more problems I need some help with... ***
Hi Susan. I have some more problems I need some help with... *** For problems requiring computations, please ensure that your Excel file includes the associated cell computations and/or statistics out… read more
SusanAthena
Master's Degree
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