19. A baseball team is reviewing their batting statistics. The mean number of hits for the batters on the team is 124, and the standard deviation is 14.5. What percent of batters have between 95 and 124 hits? 20. The amount of money spent per person at the state fair is distributed normally, with a mean of $32 and a standard deviation of $3.75. If 1200 people attend the fair, how many people would you expect to spend between $24.50 and $35.75?
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.
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