Answer:
(5,3)
Step-by-step explanation:
When you go around origin, all it is does is it turns (x,y) into (-x,-y). (--5,--3) = (5,3)
10
x42,300
-------------
00
000
3,000
20,000
400,000
-------------
423,000
Answer:
a) Mean = 2.6
B) Variance = 9.2
Step-by-step explanation:
We are given the following probability mass function in the question:

a) Mean of random variable

b) Variance of the random variable

Answer:
you<u> accept </u>the alternative hypothesis
Step-by-step explanation:
The null and alternative hypothesis can be computed as follows:

The sample proportion 


The test statistics can be computed as:


Z = -2.5
The P-value = 2( Z< -2.5)
From the tables;
The P-value = 2 (0.0062)
The P-value = 0.0124
The significance level = 0.01
Since the P-value is > significance level; we fail to reject the null hypothesis.
Conclusion: we accept the alternative hypothesis
Answer:
Quadrant lll
Step-by-step explanation:
The coordinates of the restaurant are (-1, -0.5)
Both coordinates negative means quadrant lll