Answer:
124.75
Step-by-step explanation:
Lets X be aleatory variable for iq scores. Here, wee need a value α such that, the probability that X is greater than α is higher than 0.95. This is:
P(X > α)=0.95
As X distributes normal, if we subtract the mean and divide y its std. dev. it will distribute normal with mean 0 and sts. dev. 1, which permits us to use the normal distribution table to solve it. Doing so:
P([X - 100]/15 > [α-100]/15)=0.95
Using the normal table, we need to look for the value that gives us a probability on 0.95, an it it 1.65.
So, 1.65 must be equal to [α-100]/15 :
1.65 = [α-100]/15
Multiplying both sides by 15:
24.75 = α-100
Summing 100 in both sides:
124.75 = α
So, for scores equals or greater to 124.75 you will be in the top 5% scores.
Answer:
33476 feet tall
Step-by-step explanation:
If we add the elivation of the base and the peak together we get 33476
Answer:
Ryan attempted 90 shots
Step-by-step explanation:
63 is 70% of 90
90 x .7 = 63
The area of a square can be found with the formula s², where s is the side length of the square.
s² Plug in the value
(x + 1)² Expand
(x + 1)(x + 1) Use FOIL (First, Outside, Inside, Last) to multiply
x² + 1x + 1x + 1 Combine like terms (1x and 1x)
x² + 2x + 1
Answer:
Each battery costs .5 dollars or 50 cents
Step-by-step explanation:
6/12=.5
