The annual precipitation for one city is normally distributed with a mean of 37.9 inches and a standard deviation of 3.4 inches. Fill in the blanks.
In 99.74 of the years, the precipitation in this city is between ___ and ___ inches.
A) 31.1, 37.9 B) 37.9, 48.1 C) 31.1, 44.7 D) 27.7, 48.1
Question 2
An education researcher randomly selects 95 of the nation's junior colleges and interviews all of the professors at each school. What sampling technique was used?
A) systematic
B) stratified
C) convenience
D) cluster
E) simple random
The endocrine glands of the endocrine system are distributed throughout the body.
Cao Fei, RMB City, in Art in the Twenty-First Century, season 5 episode, "Fantasy".
Distribution and Forms of Precipitation: Snow
Global Distribution of Precipitation
The population of a city has continued to grow since 1950.
Determine the nominal annual rate of interest of the following ordinary general annuity.