4. Rochelle got a score of 55 which is equivalent to 70th percentile in mathematics test. Which of the following is NOT true? A. She scored above 70% of her classmates. B. Thirty percent of the class got scores of 55 and above. C. If the passing mark is the first quartile, she past the test. D. Her score is below the 5th decile. 5. In the set of scores: 14, 17, 10, 22, 19, 24, 8, 12, and 19, the median score is A. 17 C. 16 C. 15 D. 13

Q: 5 -100 12 8

A: Solve the given

Q: 3. 42P 4-2p-1 =

A:

Q: Evaluate 1,C5 and P,

A: For 12C5, The formula of combination is,   Substitute the values in the above equation.   Thus,…

Q: 10+7=?

A:

Q: 6.5+ 4

A: To simplify given

Q: lcm of 6 and 18

A:

Q: 4 11  ✕  5 9

A: Consider the given expression as 411×59. 411×59=4×511×9=2099

Q: only

A: Solution of the problem as follows

Q: 1 Evaluate. 5P3 • 6C4 900 300 150

A: Use the formula and evaluate.

Q: A 25 24

A:

Q: 2. 7. 58

A:

Q: 5 23 4 48 1 5 75

A: Given       5  2 3 − 4 4 8¯      1  5 7 5

Q: (LCM)of 5 and 2

A: Refer to the question we have to evaluate the LCM of 5 and 2,

Q: 3&4 please

A: (3) Given that, the normal distribution has a population mean is, μ=50 The expected value of the…

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.