If statistics grades are normally distributed with ? = 72.3 seconds and ? = 8.1, what two grades enclose the central (1 – ?)100% of the distribution when ? = .0182?
a. [53.18, 91.42]
b. [51.16, 93.44]
c. [55.37, 89.23]
d. [56.75, 87.85]
Ans: A
You might also like to view...
Rapid smoking is a(n) __________ conditioning procedure involving overexposure to smoking
a. aversive c. operant b. drug-induced d. delayed
Yao is 45 years old. How has the maximum vital capacity of his lungs changed from when he was 25?
A) It has decreased by about 10 percent. B) It has decreased by about 20 percent. C) It has remained constant. D) It has increased by about 10 percent.
According to Shestowsky (2014), which of the following dispute resolution features do people prefer?
A. Participants prefer a process that provides them control (e.g., control over their own presentation of evidence). B. Participants prefer a process that allows them to extract themselves from the decision-making process almost entirely. C. Participants prefer a process that is binding. D. Participants prefer a process that is settled quickly, as time is the most important feature of all.
About ______ percent of U.S. twelfth graders reported using marijuana during
the previous year. a. 12 c. 36 b. 24 d. 48