#9 - 14: The number of candy canes on a Christmas tree is normally distributed with a mean of 15 and o standard deviation of 3. 9. What is the probability thato randomly selected Christmas tree has less than 20 candy canes? A. 0.0478 D. 0.8376 0.9522 C. 0.5843 10. What is the probability that a randomly selected Christmas tree has more than 16 candy canes? A. 0.2346 B. 0.6306 C. 0.7654 D. 0.3694 11. IT There were 300 Christmas trees, how many would you expect to have more than 16 candy canes on Them? A. 70 B. 111 C. 189 D. 230

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Q: 4. -8z -y+3: =1 4r + 4y +== 41 6r + 4y + 7: = 114 5. 3r + 7y - 2: = 37 6r + 7y + 10: = 46 -v+ 2: =-4

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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.