1) A teacher gives and exam with a mean of 82 and an SD of 8. a) what proportion did scored an A? b) what proportion failed? c) What proportion made a B or C?

Q: B125 32 44 5.

A:

Q: Can I round 0.1627 and 0.3173 to the nearest whole person?

A: Any number can be rounded. To round a number to the nearest integer we see if the decimal part of…

Q: 108 = -6b

A: To Determine: find b Given: we have an equation 108=-6b Explanation: we have an equation 108=-6b now…

Q: A=135 -1

A:

Q: (3) (-25)

A: Given : 312-934÷-2.5

Q: 40-m=11

A: Given  40-m= 11

Q: Jessica says to round 763,400 to the nearest ten thousand he will round to 770,000 is he right?…

A: Ten thousand place is the fifth place from the right. In rounding off to ten thousand palce, we are…

Q: 3 5/6 as a mixed number

A: Solution

Q: -57x+127 =272.00

A: I am going to solve the given problem by using some simple algebra to get the required result of the…

Q: -0.8 0 1.2

A:

Q: Use the Newton-Raphson method to find all numerical solutions of f(x)=x³ +3x²-1 accurate to <0.0001…

A:

Q: What’s 12 times 9?

A:

Q: How did you get 0.5 please ?

A:

Q: 133x=57

A: Given that 13^(3x)=57

Q: *Determine P(-1.6z)=0.036

A:

Q: what is the answer to this p - 83 = 129

A: To simplify the expression  follow the following steps, Add 83 both side of the expression,

Q: How did you find A=250

A:

Q: 3 a₁ = (-1)²¹-¹12 (²) , n = 1,2,3...

A:

Q: d 39 II

A: Given: 39=d3 To determine: Value of d.

Q: M+86=117

A:

Q: how did you get 10.02  if you do 2.41*1.8+5.7=10.038

A: As we know z-value formula  z=x-μσ now we have : z=2.4μ=5.7σ=1.8

Q: how did you get 0.0932?

A:

Q: 8302-y=103

A: We can solve the given problem using linear equation.

Q: nearest ten thousands) of 12 313 (Nearest ten thousands) of 64 657

A: Rounding off a number to the nearest ten thousand Consider the digit in thousands place of the…

Q: How did you get 0.15088 from -0.3877?

A: From the given information, the mean is 313.

Q: 7000+8000 = ?

A: 7000+8000=?

Q: Evaluate -% - - 0.1 - ½ (-4.5)

A:

Q: 10=

A: Given : (1) 102  (2) 103

Q: 1+2345=

A: Here,                  1+2345    0001+23452346

Q: how did you get the 1.18

A: Here the future value of the deposited money will be,       P(1+r/100)t Here, r should be the…

Q: how did you get 123:2 from 0.984/0.016

A: Given that  0.984/0.016

Q: How did you get 360?

A: We need to determine how we get A=360 in^2

Q: 0,058. 9,039.983 541,283.210

A: The value of the given function is, 0.058×9,039.983541,283.216=0.058×0.0167010=0.00096866