Help with question 10 please and thank you.
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central limit theorem for sampling distribution of mean can be applied only for large sample size (n>30)
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Help with question 10 please and thank you.
Question 10 14 pts Suppose X is a...
Question 10 14 pts Suppose X is a random variable with mean 100 and standard deviation...
Question 10 14 pts Suppose X is a random variable with mean 100 and standard deviation 15. Suppose that we select random samples of size n=81 to construct a sampling distribution of means. Then which of the following is NOT true? Given enough samples, the shape of the sampling distribution will be approximately normal The standard deviation of the sampling distribution is 15/9 The mean of the sampling distribution is 100 The mean of any random sample will be 100...
Question 14 8 pts A laboratory tested a sample of 100 chicken eggs and found that...
Question 14 8 pts A laboratory tested a sample of 100 chicken eggs and found that the mean amount of cholesterol was 257 milligrams; the population standard deviation for alleggs is 15.2 milligrams. Use this data to construct a 95 percent confidence interval for the true mean cholesterol content of all such eggs. (251.02.262.981 1255.02.261.981 1249.02, 264.98) (254.02, 259.98) Question 15 8 pts A group of 19 randomly selected students from a state university has a mean age of 224...
8 pts Question 11 A climate scientist wishes to estimate the mean temperature in Jakarta, Indonesia....
8 pts Question 11 A climate scientist wishes to estimate the mean temperature in Jakarta, Indonesia. The scientist selects a random sample of 30 days, and records the temperature reported for each day, the mean of the sample is 91.3°F, and the sample standard deviation is s = 6.6°F Use this data to construct a 90% confidence interval for the true mean temperature. (88.253, 94.347) (89.253, 93.347) (90253,95.347) (86.253.95.347)
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...
Question 6 3 pts The number of violent crimes committed in a day possesses a distribution...
Question 6 3 pts The number of violent crimes committed in a day possesses a distribution with a mean of 3.5 crimes per day and a standard deviation of 4 crimes per day. A random sample of 100 days was observed, and the mean number of crimes for the sample was calculated. Describe the sampling distribution of the sample mean. shape unknown with mean = 3.5 and standard deviation = 0.4 shape unknown with mean = 3.5 and standard deviation-4...
Question 23 e 4 pts Question Question Question Suppose students' ages follow a skewed right distribution...
Question 23 e 4 pts Question Question Question Suppose students' ages follow a skewed right distribution with a mean of 22 years old and a standard deviation (SD) of 8 years. If we randomly sample 256 students, which of the following statements about the sampling distribution of the sample mean age is correct? Time Running Attempt due: Jul 31 50 Minutes, 33 24/7 Proctori The shape of the sampling distribution is right skewed with mean 8. Calcula Live The distribution...
8 pts Question 2 U Find the standard deviation of the sampling distribution for of samples...
8 pts Question 2 U Find the standard deviation of the sampling distribution for of samples of size n = 49, when the source distribution's population mean is 101 and and population standard deviation is 15.6 101 15.6 O 6,47 14.4 2.23 Question 3 8 pts The weights of people in a certain population are normally distributed with a mean of 148 lb and a standard deviation of 191b. Suppose that we select samples of size 40. Determine the mean...
Suppose Diane and Jack are each attempting to use a simulation to describe the sampling distribution...
Suppose Diane and Jack are each attempting to use a simulation to describe the sampling distribution from a population that is skewed right with mean 50 and standard deviation 15. Diane obtains 1000 random samples of size 4 from the population, finds the mean of the means, and determines the standard deviation of the means Jack does the same simulation, but obtains 1000 random samples of sten 30 from the population. Complete parts (a) through (c) below (a) Describe the...
could i please get help with this question thank you! Describe the sampling distribution of P....
could i please get help with this question thank you!
Describe the sampling distribution of P. Assume the size of the population is 20,000. n=300, p=0.7 Choose the phrase that best describes the shape of the sampling distribution of p below. O A. Approximately normal because ns0.05N and np(1-P) < 10. OB. Not normal because ns0.05N and np(1-P) 10. O C. Approximately normal because ns0.05N and np(1 - p) 10. OD. Not normal because ns0.05N and np(1-p) < 10. Determine...
When the population standard deviation is unknown | Question 10 1 pts If sampling distributions of...
When the population standard deviation is unknown | Question 10 1 pts If sampling distributions of sample means are examined for samples of size 1, 5, 10. 16 and 50. you will notice that as n increases in size, the shape of the sampling distribution appears more like that of the: O Even distribution O Population distribution O Uniform distribution D Normal distribution 1 pts DQuestion 11 It has long been reported that human body temperature follows a normal distribution...
Question 10 14 pts Suppose X is a random variable with mean 100 and standard deviation 15. Suppose that we select random samples of size n=81 to construct a sampling distribution of means. Then which of the following is NOT true? Given enough samples, the shape of the sampling distribution will be approximately normal The standard deviation of the sampling distribution is 15/9 The mean of the sampling distribution is 100 The mean of any random sample will be 100...
Question 14 8 pts A laboratory tested a sample of 100 chicken eggs and found that the mean amount of cholesterol was 257 milligrams; the population standard deviation for alleggs is 15.2 milligrams. Use this data to construct a 95 percent confidence interval for the true mean cholesterol content of all such eggs. (251.02.262.981 1255.02.261.981 1249.02, 264.98) (254.02, 259.98) Question 15 8 pts A group of 19 randomly selected students from a state university has a mean age of 224...
8 pts Question 11 A climate scientist wishes to estimate the mean temperature in Jakarta, Indonesia. The scientist selects a random sample of 30 days, and records the temperature reported for each day, the mean of the sample is 91.3°F, and the sample standard deviation is s = 6.6°F Use this data to construct a 90% confidence interval for the true mean temperature. (88.253, 94.347) (89.253, 93.347) (90253,95.347) (86.253.95.347)
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...
Question 6 3 pts The number of violent crimes committed in a day possesses a distribution with a mean of 3.5 crimes per day and a standard deviation of 4 crimes per day. A random sample of 100 days was observed, and the mean number of crimes for the sample was calculated. Describe the sampling distribution of the sample mean. shape unknown with mean = 3.5 and standard deviation = 0.4 shape unknown with mean = 3.5 and standard deviation-4...
Question 23 e 4 pts Question Question Question Suppose students' ages follow a skewed right distribution with a mean of 22 years old and a standard deviation (SD) of 8 years. If we randomly sample 256 students, which of the following statements about the sampling distribution of the sample mean age is correct? Time Running Attempt due: Jul 31 50 Minutes, 33 24/7 Proctori The shape of the sampling distribution is right skewed with mean 8. Calcula Live The distribution...
8 pts Question 2 U Find the standard deviation of the sampling distribution for of samples of size n = 49, when the source distribution's population mean is 101 and and population standard deviation is 15.6 101 15.6 O 6,47 14.4 2.23 Question 3 8 pts The weights of people in a certain population are normally distributed with a mean of 148 lb and a standard deviation of 191b. Suppose that we select samples of size 40. Determine the mean...
Suppose Diane and Jack are each attempting to use a simulation to describe the sampling distribution from a population that is skewed right with mean 50 and standard deviation 15. Diane obtains 1000 random samples of size 4 from the population, finds the mean of the means, and determines the standard deviation of the means Jack does the same simulation, but obtains 1000 random samples of sten 30 from the population. Complete parts (a) through (c) below (a) Describe the...
could i please get help with this question thank you!
Describe the sampling distribution of P. Assume the size of the population is 20,000. n=300, p=0.7 Choose the phrase that best describes the shape of the sampling distribution of p below. O A. Approximately normal because ns0.05N and np(1-P) < 10. OB. Not normal because ns0.05N and np(1-P) 10. O C. Approximately normal because ns0.05N and np(1 - p) 10. OD. Not normal because ns0.05N and np(1-p) < 10. Determine...
When the population standard deviation is unknown | Question 10 1 pts If sampling distributions of sample means are examined for samples of size 1, 5, 10. 16 and 50. you will notice that as n increases in size, the shape of the sampling distribution appears more like that of the: O Even distribution O Population distribution O Uniform distribution D Normal distribution 1 pts DQuestion 11 It has long been reported that human body temperature follows a normal distribution...
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