GenMath Q1
It is the relation or rule of correspondence between two elements, such that each element in the domain corresponds to exactly one element in the range
Functions
What is the ownership shares that companies sell to raise money for finance operations
Stocks
It is a measure that is used to describe the population
Parameter
What is the initial claim based on previous analyses, which the researcher tries to disprove, reject, or nullify.
null hypothesis
A rational function r(x) is a function of the form _____
r(x)=p(x)/q(x)
It is the type of annuity in which the payment period interval is different from the compounding period.
General Annuities
These are variables which can take on a finite number of distinct values.
Discrete Random Variables
It is the set of all values of the test statistic that causes us to reject the null hypothesis.
Rejection Region
The Range of f(x)=3x+5.
[5, +∞)
What is the formula for Simple Interest?
I=Prt
What is the probability of getting an Odd number in a single roll of a die.
1/2 (or 0.5)
What is the test statistic used when n<30, and under the assumption that the population has a t-distribution and 𝜎 is unknown?
t-test
Determine the inverse of f(x)=(5x-6)/6
f-1(x)=(6x-6)/5
Does the phrase "Either a person saves before spending, or one spends before saving." imply a proposition?
YES
Determine the mean score of 94, 88, 79, 89, 91, 84, 77.
86
What is the type of data that involves two variables?
Bivariate data
A radioactive material has a half-life of 10 years. If its current mass is 5120 kg initially, how many years will it take for it to reach the weight of 5 kg?
10 years
Aicelle sets aside Php250,000.00 to be invested in a fund earning 2.5% compounded quarterly. What will be its amount after 5 years? (Round the answer to 2 decimal places)
Php283,176.93
Compute for the appropriate sample size if the margin of error is 6, with a sample standard deviation of 20 and a 90% level of confidence (z=1.645).
The minimum sample size needed is at least 30
It is used to measure the strength of association between bivariate data.
Pearson's Sample correlation coefficient (or Pearson's Correlation Coefficient, Pearson's)