Answer:
It's letter b
Step-by-step explanation:
I hope this help
Answer:
The value of the test statistic is
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean, is the null hypothesis value, is the standard deviation and n is the size of the sample.
In this problem:
So
The value of the test statistic is
Answer:
5/2
Step-by-step explanation:
5/2= 2 1/2
while 16/9=1 7/9
Answer:
C
Step-by-step explanation:
Quadratic formula is used only to solve the quadratic equations .
Means the equation of the form
In this the x^2 part is must because that only makes the equation a quadratic.
Looking at the four options given to you , only the option C has the missing x^2 term, which makes it a linear equation and hence the quadratic formula cannot be applied there .
So the right option for your question with the quadratic formula is
option
C