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Answer:
P-value ≈ 0.3463
Step-by-step explanation:
Hypothesis test would be
:p=0.20
:p>0.20
We need to calculate the z-score of sample proportion and then the corresponding P-value.
z-score can be calculated as:
z= where
- p(s) is the sample proportion of specimens yield before the theoretical point (
)
- p is the proportion assumed under null hypothesis. (0.20)
- N is the sample size (40)
Using the numbers
z= =0.3953
and the P-value is then P(z)≈0.3463
To graph an equation with one x variable you first go on the y (vertical axis) and put a point at the number that doesnt have the x (12). Sometimes this number could be zero. The +12 is where it crosses the y axis. next to make the line you look at the number infront of x (1). that is the slope. It is basically 1 over 1. this means you go up one and right one, up one and right one, or down one and left one etc. this will make a line. If the number infront of x was -2 then it is seen as -2 over one. this slope is drawn by going down one and right one or up two and left one
