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10. The probability that an individual has 20-20 vision is 0.13. In a class of 80 students, what is the standard de...
The probability that an individual has 20-20 vision is 0.13. In a class of 72 students,...
The probability that an individual has 20-20 vision is 0.13. In a class of 72 students, what is the probability of finding five people with 20-20 vision?
The probability that an individual is left-handed is 0.180 In a class of 38 students, what...
The probability that an individual is left-handed is 0.180 In a class of 38 students, what is the probability of finding five left-handers? Round the answer to the nearest thousand OA. 0.132 O B. 0.180 O C. 0000 O D. 0.136
ine students in Mr. Ruiz's class all took a spelling test. Raw scores can range between...
ine students in Mr. Ruiz's class all took a spelling test. Raw scores can range between 0 (0%) and 10 (100%). Their scores are listed below. Student Raw Score A 4 B 5 C *5* D 6 E 6 F 6 G 7 H 7 I 8 The class mean is 6, median is 6 , mode is 6 , range is 4 , and standard deviation is 1.1(round to one decimal place). Look at Student C's score. The score...
6) Provide an appropriate response. Round to the nearest hundredth 6) Find the standard deviation for...
6) Provide an appropriate response. Round to the nearest hundredth 6) Find the standard deviation for the given probability distribution XP(x) 0 0.19 1 10.26 2 0.18 3 0.24 4 0.13 A) = 1.40 B) c = 1.76 C) = 1.33 D) 0 = 2.28 Find the mean, u, for the binomial distribution which has the stated values of nand p. Round answer to the nearest tenth. 7) n = 1599; p=0.57 A) u = 9057 B) 4 = 913.0...
Suppose x has a distribution with a mean of 40 and a standard deviation of 20....
Suppose x has a distribution with a mean of 40 and a standard deviation of 20. Random samples of size n = 64 are drawn. (a) Describe the x bar distribution. x bar has a normal distribution. x bar has a geometric distribution. x bar has an approximately normal distribution. x bar has a Poisson distribution. x bar has an unknown distribution. x bar has a binomial distribution. Compute the mean and standard deviation of the distribution. (For each answer,...
1. A population of N=1200 has a standard deviation of 20. In each of the following...
1. A population of N=1200 has a standard deviation of 20. In each of the following cases, which formula will you use to calculate the standard deviation of the sample mean and then use the appropriate formula to calculate it: a. n=96 b. n=30 2. Dartmouth Distribition Warehouse makes deliveries of a large number of products to its customers. It is known that 85% of all the orders it receives from its customers are delivered on time. Let p-hat be...
Suppose x has a distribution with a mean of 70 and a standard deviation of 20. Random samples of size n = 64 are drawn....
Suppose x has a distribution with a mean of 70 and a standard deviation of 20. Random samples of size n = 64 are drawn. (a) Describe the distribution. x has a geometric distribution. has a normal distribution. x has an unknown distribution. x has a Poisson distribution. X has an approximately normal distribution. x has a binomial distribution. Compute the mean and standard deviation of the distribution. (For each answer, enter a number.) Hy = Oz = (b) Find...
questions from 10 to 19 Find the outlier in the set of data. 10. 15, 35,...
questions from 10 to 19
Find the outlier in the set of data. 10. 15, 35, 10, 22, 13, 18, 19, 14 11. The scores on an exam are normally distributed, with a nean of 81 and a standard deviation of 10. What percent of the scores are less than 917 12. A grocery store will only accept yellow onions that are at least 3.25 in. n diameter. A grower has a crop of onions with diameters that are normally...
1. A salesperson has successes on 2 out of 10 cold calls. What is the probability...
1. A salesperson has successes on 2 out of 10 cold calls. What is the probability of getting 3 successes in 9 cold calls? 2. If the probability of success on a cold call is .20, and 500 cold calls are made, what is the probability of less than 84.5 successes? (use normal distribution to approximate the binomial, so need mean = np and st.dev = sqrt(npq) ) 3. In the past, the probability of success of a cold call...
You roll a six-sided die. Find the probability of each of the following scenarios. (a) Rolling...
You roll a six-sided die. Find the probability of each of the following scenarios. (a) Rolling a 6 or a number greater than 3 (b) Rolling a number less than 4 or an even number (c) Rolling a 4 or an odd number (a) P(6 or number> 3)- (Round to three decimal places as needed) (b) P/1 or 2 or 3 or 4 or 6)-( Round to three decimal places as needed.) (c) P(4 or 1 or 3 or 5)...
The probability that an individual is left-handed is 0.180 In a class of 38 students, what is the probability of finding five left-handers? Round the answer to the nearest thousand OA. 0.132 O B. 0.180 O C. 0000 O D. 0.136
6) Provide an appropriate response. Round to the nearest hundredth 6) Find the standard deviation for the given probability distribution XP(x) 0 0.19 1 10.26 2 0.18 3 0.24 4 0.13 A) = 1.40 B) c = 1.76 C) = 1.33 D) 0 = 2.28 Find the mean, u, for the binomial distribution which has the stated values of nand p. Round answer to the nearest tenth. 7) n = 1599; p=0.57 A) u = 9057 B) 4 = 913.0...
Suppose x has a distribution with a mean of 70 and a standard deviation of 20. Random samples of size n = 64 are drawn. (a) Describe the distribution. x has a geometric distribution. has a normal distribution. x has an unknown distribution. x has a Poisson distribution. X has an approximately normal distribution. x has a binomial distribution. Compute the mean and standard deviation of the distribution. (For each answer, enter a number.) Hy = Oz = (b) Find...
questions from 10 to 19
Find the outlier in the set of data. 10. 15, 35, 10, 22, 13, 18, 19, 14 11. The scores on an exam are normally distributed, with a nean of 81 and a standard deviation of 10. What percent of the scores are less than 917 12. A grocery store will only accept yellow onions that are at least 3.25 in. n diameter. A grower has a crop of onions with diameters that are normally...
You roll a six-sided die. Find the probability of each of the following scenarios. (a) Rolling a 6 or a number greater than 3 (b) Rolling a number less than 4 or an even number (c) Rolling a 4 or an odd number (a) P(6 or number> 3)- (Round to three decimal places as needed) (b) P/1 or 2 or 3 or 4 or 6)-( Round to three decimal places as needed.) (c) P(4 or 1 or 3 or 5)...
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