Answer: a) 0.0088
b) 0.2997
c) 5
Step-by-step explanation:
Given : Mean :
minutes
Standard deviation :
minutes
The formula for z-score :

a) For x = 60 minutes

The p-value =
b) For x = 75 minutes

The p-value =

c) For x = 90 minutes

The p-value =

If the number of students in the class = 60 .
Then , the number of students will be unable to complete the exam in the allotted time =
Answer:
3y + 5
Step-by-step explanation:
combine like terms
4y - y = 3y
3-(-2) =5
3 + 2 = 5
3y + 5
I believe its 45 because a right angle equals 90 degrees and if you multiply 45 and 2, it'll give you a right angle(90 degrees)
Answer:
the Degree and Leading Coefficient of Polynomials . If a term does not contain a variable, it is called a constant. . A polynomial is an expression that can be written in the form. Identify the degree, leading term, and leading coefficient of the polynomial 4 x 2 − x 6 + 2 x − 6 \display style 4{x}^{2}-{x}^{6}+2x - 6
Answer:
B) 44
Step-by-step explanation:
x + 54 + 82 = 180
x + 136 = 180
x = 180 - 136
x = 44