Answer:
0.7493 or 74.93%
Step-by-step explanation:
We are given;
Population mean; μ = 100
Population standard deviation; σ = 12
Sample mean 1; x1¯ = 90
Sample mean 2; x2¯ = 120
Z-score formula of the data given is;
z = (x¯ - μ)/σ
z1 = (90 - 100)/12
z1 = -0.83
z2 = (120 - 100)/12
z2 = 1.67
Since we wan to Find the probability that a randomly selected bill is between $90 to $120.
Thus;
P(90 < x¯ < 120) = P(−0.83 < Z < 1.67)
Probability will be gotten from online probability with 2 z-scores calculator to get;
P = 0.7493
Answer:
there are 14 on a single team
Step-by-step explanation:
154÷11=14
Or you can do this
11 • 14
add 11 14 times you get 154
Answer C. 2.00 Meters/second
1 kilometer = 1000 meter
1 hour = 3600 seconds
7.2 x 1000 = 7200
so 7200 meters an hour
or 7200 meters every 3600 seconds
7200/3600
we then want the 3600 to become one second to find meters per (1)second.
so 7200/3600 simplified = 2. 2 meters per second
answer C
Answer: 16 students receive passing grades out of those 16 , 11 Students receive perfect math & 8 perfect spelling
8 is you answer
Draw 16 circles that would rep the students
Count up to 11 with 1 mark in each bubble that would rep the perfect math
Then count 8 and put 1 Mark in the Bubble and you'll see that 8 Students Received 2 Awards
Step-by-step explanation:
40/3. You mutiply top and bottom straight across, then simplify.