Solve for r.
2 answers:
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Answer: Mean = 2.91 and Variance = 0.087
Step-by-step explanation:
Given : The probability of a correct classification of any part p= 0.97.
The number of parts are inspected : n=3
Let the random variable X denote the number of parts that are correctly classified.
For binomial experiment , the mean and variance is given by :-
Then, the the mean and variance of X will be :-
Answer:
-19 - Integer
-5 - Integer
12 - Whole Number
14.25 - Rational Numbers
Step-by-step explanation:
Whole numbers = {0, 1 , 2, 3, . . . }
They are the the natural numbers and zero.
Integers: {. . . , -3, -2, -1, 0 , 1, 2, 3, . . . }
Rational Numbers: These are the numbers that can be written in the form of where
.
Note that All Whole numbers are integers.
All Integers are in turn Rational Numbers. (When q = 1, we get all the integers.).
In the given problem, we have: -19 Negative number. It should be an Integer.
Similarly -5 is also an integer.
12 is a whole number. Note that it is also an integer. Consequently, a rational number.
And 14.25 = is in the form of
. So it is a rational number.