Answer:idk
Step-by-step explanation:just here fo4 points srry
Answer:
D $9.56
Step-by-step explanation:
13 * .7 * 1.05 = 9.555
$9.56
Answer:
(a) The expected score is 12.8
(b) The standard deviation is 3.2 and variance is 10.24
Step-by-step explanation:
Consider the provided information.
You are to take a multiple-choice exam consisting of 64 questions with 5 possible responses to each question.
Here n=64 p=1/5 and q=1-1/5=4/5
Part (a) we need to find the expected score on the exam.
Expected = np
Expected score = number of questions × P(right)

Hence, the expected score is 12.8
Part (b) Compute the variance and standard deviation of x.
Standard Deviation: 
Now calculate the standard deviation as shown:



Variance: 



Hence, the standard deviation is 3.2 and variance is 10.24
Answer:
Answer: The value of pi is 3.1459, and the square root of pi is equal to 1.77. It is denoted as √π.
Step-by-step explanation:
Answer:
A, B, D
Step-by-step explanation:
It's not C because the correlation coeffecient connot be greater than 1 or less than -1.