Answer:
A.1
Step-by-step explanation:
d=1
1*9=9
Answer:
a) summation of p(x)/n ie. (0.1712+...+0.0051)/6=0.16675
b)1
c).var=summation (x-mean) squared /n ie (0.1712-0.16675)squared +...+(0.0051-0.16675)squared/n=0.027351948
SD =square root of variance =0.16538
Step-by-step explanation:
The answer to the questions
Answer:
30 out of 40: 75%
40 out of 50: 80%
40 out of 50 is the better score
The value of x is x=1/10
This can also be written as:
X=0.1
X=10^-1
