Answer:
5:3
Step-by-step explanation:
5/3
10/6
15/9
25/15
Answer:
david was. 9 seconds faster than Justin.
Step-by-step explanation:
8.1-7.2= .9
Answer:
Option D) At least 3600
Step-by-step explanation:
We are given the following in the question:
The distribution of scores of individual students on the American College Testing is a bell shaped distribution that is a normal distribution.
Population standard deviation =
We want that the standard deviation of the sample should not be more than 0.1 that is the standard error should not be more than 0.1
Formula for standard error:
Thus, the sample size must be atleast 3600 so that the sample standard deviation is not more than 0.1.
Thus, the correct answer is
Option D) At least 3600
Answer:
10^5
Step-by-step explanation:
10 multiplied by itself five times (10*10*10*10*10) is 100,000.
Answer:
Option (A)
Step-by-step explanation:
A set of real numbers is a combination of both rational and irrational numbers.
But the elements in the sets of rational and irrational numbers will be different.
In short, rational and irrational number sets are the two subsets of real numbers.
Hence, the number is an element of either the set of rational numbers or the set of irrational numbers.
Option (A) is the correct option.