Use the empirical rule for variables to answer the questions posed in parts (a)–(c) of Exercises. Avariable of a population has meanµ and standard deviation σ.For a large sample size n, fill in the blanks. Justify your answers.a. Approximately % of all possible samples have meanswithin σ/vn of the population mean, µ.b. Approximately % of all possible samples have means within 2σ/vn of the population mean, µ.c. Approximately % of all possible samples have means within 3σ/vn of the population mean, µ.d. Approximately % of all possible samples have means within za/2 of the population mean, µ.
Use the empirical rule for variables to answer the questions posed in parts (a)–(c) of Exercises. Avariable of a population has meanµ and standard deviation σ.For a large sample size n, fill in the blanks. Justify your answers.
a. Approximately % of all possible samples have means
within σ/vn of the population mean, µ.
b. Approximately % of all possible samples have means within 2σ/vn of the population mean, µ.
c. Approximately % of all possible samples have means within 3σ/vn of the population mean, µ.
d. Approximately % of all possible samples have means within za/2 of the population mean, µ.
Expert Answer
Want to see the step-by-step answer?
Related Statistics Q&A
Q: Power 90 Extreme. Beachbody, LLC, provides fitness programs, including home workout videos and nutri...
A: (a)The population mean length of the P90X DVDs is:
Q: XSORT Gender Selection MicroSort’s XSORT gender-selection technique is designed to increase che like...
A: Click to see the answer
Q: In Exercises 9–16, use the Poisson distribution to find the indicated probabilities. Murders In a re...
A: From the given information, the murders in a recent year, there were 333 murders in New York CityLet...
Q: Notation What does the notation za indicate?
A: Click to see the answer
Q: Detecting Fraud The Brooklyn District Attorney’s office analyzed the leading (leftmost) digits of ch...
A: (a)Define the random variable x as the number of checks with the leading digit as 1. Here, the numbe...
Q: A data set with roughly a bell-shaped distribution has mean 45 and standard deviation 12. Approximat...
A: The percentage of the observations lie between 33 and 57 is obtained below:Let X be an observation f...
Q: A 2x2 ANOVA produced the following F-ratios. FA = 1, FB = 5, FAxB = 8. For all three tests, dfbetwee...
A: The correct option is B.The F-ratio for the factor A is 1, B is 5 and AB is 8.The critical value of ...
Q: What does it mean for two or more events to be mutually exclusive?
A: Mutually exclusive eventsTwo events are said to be mutually exclusive if they have no element in com...
Q: Blood Pressure Medication. A medical researcher wants to determine factors that affect a patient’s r...
A: (a)Justification:Response variable:Response variable in a regression equation is the dependent varia...
