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Question 3 of 14 Step 1 of 1 01:21: Suppose 50% of the population are more...
Suppose 50% of the population has a college degree. If a random sample of size 673...
Suppose 50% of the population has a college degree. If a random sample of size 673 is selected, what is the probability that the proportion of persons with a college degree will differ from the population proportion by less than 5%? Round your answer to four decimal places.
Suppose 47% of the population has a college degree. If a random sample of size 460...
Suppose 47% of the population has a college degree. If a random sample of size 460 is selected, what is the probability that the proportion of persons with a college degree will differ from the population proportion by less than 4%? Round your answer to four decimal places.
Suppose 51% of the population has myopia. If a random sample of size 544 is selected,...
Suppose 51% of the population has myopia. If a random sample of size 544 is selected, what is the probability that the proportion of persons with myopia will be less than 47%? Round your answer to four decimal places
Suppose a large shipment of stereos contained 21% defectives. If a sample of size 348 is...
Suppose a large shipment of stereos contained 21% defectives. If a sample of size 348 is selected, what is the probability that the sample proportion will differ from the population proportion by more than 4%? Round your answer to four decimal places.
A normally distributed population has a mean of 475 and a standard deviation of 48. a....
A normally distributed population has a mean of 475 and a standard deviation of 48. a. Determine the probability that a random sample of size 9 selected from this population will have a sample mean less than 451. b. Determine the probability that a random sample of size 16 selected from the population will have a sample mean greater than or equal to 498. a. P(X<451) = (Round to four decimal places as needed.) b. P(X2498) = 1 (Round to...
Ch. 7&8, 7/8-7/14) Score: 0 of 1 pt 15 of 36 (14 complete) W Score: 38.89...
Ch. 7&8, 7/8-7/14) Score: 0 of 1 pt 15 of 36 (14 complete) W Score: 38.89 7.3.45-T Ques A population has a proportion equal to 0.25. Calculate the probabilities below with n= 100. a. P(p <0.28) b. P(p>0.33) c. P(0.21 <p 50.33) d. Pp20.19) a. Pſps 0.28) = 0 (Round to four decimal places as needed.) 7.3.46-T Question Help $ If a random sample of 100 items is taken from a population in which the proportion of items having a...
Question 5 of 15. Step 1 of 1 4/15 Correct Thompson and Thompson is a steel...
Question 5 of 15. Step 1 of 1 4/15 Correct Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 139 millimeters, and a standard deviation of 7 millimeters If a random sample of 38 steel bolts is selected, what is the probability that the sample mean would be less than 140.7 millimeters? Round your answer to four decimal places. Tables Keypad Answer How to enter your answer Submit Answer 2020 Hawkes...
A Food Marketing Institute found that 28% of households spend more than $125 a week on groceries. Assume the population...
A Food Marketing Institute found that 28% of households spend more than $125 a week on groceries. Assume the population proportion is 0.28 and a simple random sample of 231 households is selected from the population. What is the probability that the sample proportion of households spending more than $125 a week is less than 0.25?
Question Help Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed...
Question Help Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean u 243 days and standard deviation a 15 days. Complete parts (a) through () below. (a) What is the probability that a randomly selected pregnancy lasts less than 237 days? The probability that a randomly selected pregnancy lasts less than 237 days is approximately(Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fillin the answer...
I just need the answer for E and F, thank you:) Suppose the lengths of the...
I just need the answer for E and F, thank you:)
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p=123 days and standard deviation = 13 days. Complete parts (a) through (1) below. (a) What is the probability that a randomly selected pregnancy lasts less than 118 days? The probability that a randomly selected pregnancy lasts less than 118 days is approximately 0.3503). (Round to four decimal places as needed.) Interpret this...
A normally distributed population has a mean of 475 and a standard deviation of 48. a. Determine the probability that a random sample of size 9 selected from this population will have a sample mean less than 451. b. Determine the probability that a random sample of size 16 selected from the population will have a sample mean greater than or equal to 498. a. P(X<451) = (Round to four decimal places as needed.) b. P(X2498) = 1 (Round to...
Ch. 7&8, 7/8-7/14) Score: 0 of 1 pt 15 of 36 (14 complete) W Score: 38.89 7.3.45-T Ques A population has a proportion equal to 0.25. Calculate the probabilities below with n= 100. a. P(p <0.28) b. P(p>0.33) c. P(0.21 <p 50.33) d. Pp20.19) a. Pſps 0.28) = 0 (Round to four decimal places as needed.) 7.3.46-T Question Help $ If a random sample of 100 items is taken from a population in which the proportion of items having a...
Question 5 of 15. Step 1 of 1 4/15 Correct Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 139 millimeters, and a standard deviation of 7 millimeters If a random sample of 38 steel bolts is selected, what is the probability that the sample mean would be less than 140.7 millimeters? Round your answer to four decimal places. Tables Keypad Answer How to enter your answer Submit Answer 2020 Hawkes...
Question Help Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean u 243 days and standard deviation a 15 days. Complete parts (a) through () below. (a) What is the probability that a randomly selected pregnancy lasts less than 237 days? The probability that a randomly selected pregnancy lasts less than 237 days is approximately(Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fillin the answer...
I just need the answer for E and F, thank you:)
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p=123 days and standard deviation = 13 days. Complete parts (a) through (1) below. (a) What is the probability that a randomly selected pregnancy lasts less than 118 days? The probability that a randomly selected pregnancy lasts less than 118 days is approximately 0.3503). (Round to four decimal places as needed.) Interpret this...
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