Answer:
Step-by-step explanation:
1.41
The only point in the solution space is that of selection ...
C (1, 3)
Answer:
The equation is 3n + 13 = 40 The triplets are 9 years old
Step-by-step explanation:
I am in my kitchen if and only if i am at home
not 100% right
Answer: 1.25
Step-by-step explanation:
Given: A college-entrance exam is designed so that scores are normally distributed with a mean
= 500 and a standard deviation
= 100.
A z-score measures how many standard deviations a given measurement deviates from the mean.
Let Y be a random variable that denotes the scores in the exam.
Formula for z-score = 
Z-score = 
⇒ Z-score = 
⇒Z-score =1.25
Therefore , the required z-score = 1.25