s Suce with 9t leos t Bhamial Dallures, 2. The heights of men are known to be normally distributed with mean 68 in. and standard deviation 3.5 in. (a) What is the probability that a man selected at random is between 67 and 70 inches tall? (b) If a random sample of 4 men is selected, what is the probability that their mean height is between 67 and 70 inches? (c) 70% of all men are above what height (in inches)? P(67exL70) 676xL7 M=67
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
2 a, 2b, and 2c
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