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4-24 In a lot of 200 electrical fuses, 20 are known to be...
In a lot of 200 electrical fuses, 20 are known to be nonconforming. A sample of 10 fuses is selected. (a) What is the probability distribution of the number of nonconforming fuses in the sample? What are its mean and standard deviation? (b) Using the bino
In a lot of 200 electrical fuses, 20 are known to be nonconforming. A sample of 10 fuses is selected.(a) What is the probability distribution of the number of nonconforming fuses in the sample? What are its mean and standard deviation?(b) Using the binomial distribution as an approximation to the hypergeometric, find the probability of getting 2 nonconforming fuses. What is the probability of getting at most 2 nonconforming fuses?
please help ... 4-22) A process is known to produce 5% nonconforming items. A sample of...
please help ...
4-22) A process is known to produce 5% nonconforming items. A sample of 40 items is selected from the process. (a) What is the distribution of the nonconforming items in the sample? (b) Find the probability of obtaining no more than 3 nonconforming items in the (o (d) Compare the answers to parts (b) and (c). What are your observations? sample. Using the Poisson distribution as an approximation to the binomial, calculate the probability of the event...
Suppose a lot of 10,000 items has 200 defective items and that a random sample of...
Suppose a lot of 10,000 items has 200 defective items and that a random sample of 30 is drawn from the lot. What is the binomial approximation (to five decimal places) of the probability of getting exactly 2 defective items in the sample?
Suppose a lot of 10,000 items has 200 defective items and that a random sample of...
Suppose a lot of 10,000 items has 200 defective items and that a random sample of 30 is drawn from the lot. What is the probability (to four decimal places) of getting exactly 1 defective in the sample? Do not use Poisson or binomial approximation.
18-20 Please. Thank you. Solve the problem. 18) Assume that women have heights that are normally...
18-20 Please. Thank you.
Solve the problem. 18) Assume that women have heights that are normally distributed with a mean of 63.6 inches 18) and a standard deviation of 2.5 inches. Find the value of the quartile Q3. 19) Assume that women's heights are normally distributed with a mean of 63.6 inches and a 19) standard deviation of 2.5 inches. If 90 women are randomly selected, find the probability that they have a mean height between 62.9 inches and 64.0...
Pleas TYPE your answers to the following questions. Thank you! A random set of 24 products...
Pleas TYPE your answers to the following questions. Thank you! A random set of 24 products is sampled from a production process. The fraction of non-conforming products manufactured by the process is thought to be 0:1, and each product is independently defective of the others. (a) What is the probability of 0 nonconforming products in the sample? 6 nonconforming products? 12 nonconforming products? 24 nonconforming products? (b) What is the probability that at most 4 products won't conform to specifications?...
Please don't use Exel or any other software. A lot of size N 30 contains two...
Please don't use Exel or any
other software.
A lot of size N 30 contains two nonconforming units. What is the probability that a sample of six units selected at random contains exactly one nonconforming unit? (state which distribution function you would use). What is the probability that it contains one or more nonconformances
please explain by steps! very confused 10) The average charitable contribution itemized per income tax return...
please explain by steps! very confused
10) The average charitable contribution itemized per income tax return in Pennsylvania is $792. Suppose that the distribution of contributions is normal with a standard deviation of $103. Find the limits for the middle 60% of contributions. 4:02 < Back Assignment Details STAT-10-06534 The Normal Approximation to the Binomial 11) According to American Airlines, Flight 215 from Orlando to Los Angeles is on time 90% of the time. Randomly select 150 flights and use...
Answers with solution and brief explanation please. Thanks a lot, appreciate it. 6. Aimple random sample...
Answers with solution and brief explanation please. Thanks a lot,
appreciate it.
6. Aimple random sample of 5 observations from a population containing 400 elements was taken, and the following values were obtained. 12 18 19 20 21 A point estimate of the mean is a. 400 b. 18 c. 20 d. 10 7. a, b. As the sample size increases, the variability among the sample means increases decreases c, remains the same d. depends upon the specific population being...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone,...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone, 50% an Android smartphone and 5% some other type of phone. Let X=the number of students in a simple random sample of 15 students who own an iPhone. A. What is the probability distribution of X? Note: If this is a well-known distribution it is sufficient to name the distribution and identify the value of the parameters B. Find the probability that 8 students...
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4-22) A process is known to produce 5% nonconforming items. A sample of 40 items is selected from the process. (a) What is the distribution of the nonconforming items in the sample? (b) Find the probability of obtaining no more than 3 nonconforming items in the (o (d) Compare the answers to parts (b) and (c). What are your observations? sample. Using the Poisson distribution as an approximation to the binomial, calculate the probability of the event...
18-20 Please. Thank you.
Solve the problem. 18) Assume that women have heights that are normally distributed with a mean of 63.6 inches 18) and a standard deviation of 2.5 inches. Find the value of the quartile Q3. 19) Assume that women's heights are normally distributed with a mean of 63.6 inches and a 19) standard deviation of 2.5 inches. If 90 women are randomly selected, find the probability that they have a mean height between 62.9 inches and 64.0...
Please don't use Exel or any
other software.
A lot of size N 30 contains two nonconforming units. What is the probability that a sample of six units selected at random contains exactly one nonconforming unit? (state which distribution function you would use). What is the probability that it contains one or more nonconformances
please explain by steps! very confused
10) The average charitable contribution itemized per income tax return in Pennsylvania is $792. Suppose that the distribution of contributions is normal with a standard deviation of $103. Find the limits for the middle 60% of contributions. 4:02 < Back Assignment Details STAT-10-06534 The Normal Approximation to the Binomial 11) According to American Airlines, Flight 215 from Orlando to Los Angeles is on time 90% of the time. Randomly select 150 flights and use...
Answers with solution and brief explanation please. Thanks a lot,
appreciate it.
6. Aimple random sample of 5 observations from a population containing 400 elements was taken, and the following values were obtained. 12 18 19 20 21 A point estimate of the mean is a. 400 b. 18 c. 20 d. 10 7. a, b. As the sample size increases, the variability among the sample means increases decreases c, remains the same d. depends upon the specific population being...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone, 50% an Android smartphone and 5% some other type of phone. Let X=the number of students in a simple random sample of 15 students who own an iPhone. A. What is the probability distribution of X? Note: If this is a well-known distribution it is sufficient to name the distribution and identify the value of the parameters B. Find the probability that 8 students...
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