hypotheses (b) compute the test statistic, (c) determine the critical value 26. It is claimed that that the average weight of babies at birth is In each of the following problems (a) state the null and the alternative babies was determined. It was found out that the average weight 3.4 kg. The average weight of a random sample of 30 newly born standard deviation is 1.1 kg. Use 0.05 level of significance. and the rejection region and (d) draw a conclusion. is claimed that that the average weight of babies at birth is 26. Labies was determined. It was found out that the average weight vas 3.1 kg. Is there a reason to believe that the average weight of babies at birth is not 3.4 kg? Assume that the population It is claimed that the mean annual salary of customer service call center representatives is P188,584.00. A researcher randomly selected 45 customer service call center representatives. He computed the mean of their annual salaries and obtained a mean of P188,600.00. Does this show that the mean salary of customer service call center representatives is greater than P188,584.00? Use 0.05 level of significance and assume the population standard deviation is P39.50.

Q: A B 24 12 17 6. 16 14 38 13 How many elements are in (4 UB)nC? 75 39 9. 14

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Q: Evaluate. In e -20e -4x dr.

A: ∫-20e-4x dx=-20e-4x-4+C   ∵∫eax dx=eaxa+C=5e-4x+C

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A: abcd = (a*d) - (c*b)

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Q: 6. In the diagram below, DE || BC. Also, AD :|DB| = 5:2. D B C Write down the following ratios: (1)…

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Q: -42 20 00 2 3 10 3 102 303 Evaluate D.

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Q: 10 assume that the number of production defects is 26 and that 12 of these are classified as major…

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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.