I would help but I don’t know how to read it hope someone helps u out
Answer:
f(3) = 12
Step-by-step explanation:
F(x) = 2x2. What is f(3)
f(3) = 2(3) 2
= 6x2
= 12
f(3) = 12
<span>5 ÷ 1/7
= </span>5/1 ÷ 1/7 <span>
= 5/1 x 7/1
answer
</span><span>A) 5 /1 × 7 /1 </span>
Answer:
P = 95%
Step-by-step explanation:
The average is:

The standard deviation is:
.
We want the probability that the red light lasts between 2.5 minutes and 3.5 minutes
This is:

Now we must transform these values to those of a standard normal distribution to facilitate calculation by using the probability tables.

This is:
---------- (By the symmetry of the standard normal distribution)
When you search for the normal standard table, you get the following value:

Answer:
I can only select choice A because there aren't any other answers.
Step-by-step explanation:
Sorry