True or False: A simple random sample is a sample of n observations that has the same probability of being selected from the population as any other sample of n observations.
Ans:
True
a simple random sample is a sample of n observations which has the same probability of being selected from the population as any other sample of n observations.
True or False: A simple random sample is a sample of n observations that has the...
A simple random sample of size n from a finite population of size N is a sample selected such that each possible sample of size n A. has the same probability of being selected B. has a probability of 1/n of being selected C. has a probability of n/(N-1) of being selected D. has a probability of 1/N of being selected
A simple random sample of size n from a finite population of size N is a sample selected such that each possible sample of size a. n has a probability of 0.05 of being selected. b. N and n have the same probability of being selected. c. n has a probability of 0.5 of being selected. d. n has the same probability of being selected. You are __________ to commit a Type I error using the 0.05 level of significance...
In simple random sample every member of the population has a known and equal chance of being selected, but you cannot calculate sampling error. * true or false
(1 point) For each problem, select the best response. (a) A simple random sample of size n is defined to be A. a sample of size n chosen in such a way that every unit in the population has the same chance of being selected. B. a sample of size n chosen in such a way that every set of n units in the population has an equal chance to be the sample actually selected. C. a sample of size...
1 point) For each problem, select the best response. (a) A simple random sample of size n is defined to be A. a sample of size n chosen in such a way that every unit in the population has a known nonzero chance of being selected. B. a sample of size n chosen in such a way that every unit in the population has the same chance of being selected. C. a sample of size n chosen in such a...
Suppose a random sample of n = 25 observations is selected from a population that is normally distributed with mean equal to 109 and standard deviation equal to 15. (a) Find the probability that x exceeds 113. (b) Find the probability that the sample mean deviates from the population mean μ = 109 by no more than 5.
TRUE OR FALSE every possible simple random sample from a popultion is equally likely to be selected
A random sample of n = 100 observations is selected from a population with mean 20 and standard deviation 15. What is the probability of observing a mean greater than 21?
Suppose a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 102 and standard deviation equal to 10. Find the probability that the sample mean deviates from the population mean μ = 102 by no more than 4. (Round your answer to four decimal places.)
Suppose a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 101 and standard deviation equal to 12. QUESTION: Find the probability that the sample mean deviates from the population mean μ = 101 by no more than 4. (Round your answer to four decimal places.)