Answer:
x 0.4
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer: Should be -5
Step-by-step explanation:
I guess that u = μ & that a=σ. If so:
μ =100 & that σ =20 & x=20
Z score = (x-μ) / σ ==> Z score = (90-100)/20 ==> Z = - 0.5
There’s this app called Socratic that you can use. It’s like this one but it’s a little different
0.0069
Step-by-step explanation:
6.9 move the decimal 3 places to the left
