Answer:
hey can you help me with this? it's my deadline today
The answer is letter A. 8 times 128=1024. 9 times 113=1017.7 times 142=994
<em>Klicker</em>
Answer:
x=10
y=30
Step-by-step explanation:
x=-2y+70
x=-2*3x+70
x=-6x+70
7x=70
x=10
y=3x
y=3*10
y=30
The random variable X is normally distributed with mean μ=30 and standard deviation σ =10.
Use the transformation
for calculating the probability. This value is called Z-score.
The Z score is
.
Refer to the standard normal distribution table.
The probability
I think the area is 63. Sorry if it is incorrect.