So to find the avrage u r going to add all the numbers then divide by the nuber of nubers u have there that will give u ur answer
Normalcdf(78, 82, 80, 8/√(64)) = 0.9544997361
The standard deviation of the sample mean will be 8/√64 = 1, so you are asking for the probability that the value will be within 2 standard deviations of the mean. This is a number most statistics students are asked to memorize.
Your probability is about 0.9545.
To round to the nearest thousand, we check the digit in the hundreds place. If it is less than 5, we round down, else we round up to the next thousand.
In this case, the digit in the hundreds place is "6" and "6" is 5 or more, so we round up to the next thousand.
15 680 ≈ 16 000
A) Fewer than 4 hurricanes:-
0.151204
B) Anywhere from 6 to 8 hurricanes:-
0.2409
Answer:
(x) = x - 5
Step-by-step explanation:
Let y = f(x) and make x the subject
y = x + 5 ( subtract 5 from both sides )
y - 5 = x
Change y back into terms of x, thus
(x) = x - 5
