Mobile Legends

A large company has an inspection system for batches of small

compressors purchased from vendors. A batch typically contains 15

compressors. In the inspection system, a random sample of 5 is selected and all are tested. Suppose there are 3 faulty compressors in the batch of 15, how many ways to get all three faulty compressors during sampling.

• 66

• 3,003

• 6

• 15

Selection of respondents is predetermined according to the characteristics of interest made by the researcher.

• Convenience sampling

• Purposive sampling

• Quota sampling

• Random sampling

An event with more than one outcome.

• Null space

• Single event

• Event

• Compound event

Deals with the collection, organization, presentation, analysis and interpretation of data.

• Statistics

• Inferential Statistics

• Research Method

• Descriptive Statistics

Five different mathematics books, 4 different electronic books, and 2 different communication book are to be placed in a shelf with the books of the same subjects together. Find the number of ways in which the books can be placed.

• 40

• 39916800

• 5760

• 3,**60

The process of selecting units (e.g. people , organization) from a population of interest.

• Sampling

• Random sampling

• Stratified samplied

• Cluster sampling

In how many ways can the letters of the word "PROBABILITIES" be arranged if the first placed is to be filled with a consonant and no consonants are to be adjacent yo each other?

• 6227020800

• 320400

• 1716

• 3628000

They have no elements in common.

• Compound event

• Mutually exclusive event

• Dependent event

• Single event

In a family of children of 5, how many ways the first two are girls and the last is a boy?

• 4

• 1

• 32

• 10

The MESS, official club of ME students, lists as its officers 2 students from first year to fifth year. if a committee of five will be formed, how many ways all year level will be represented?

• 2

• 10

• 5

• 16