Answer:
temperature on the 5th days was -3 degree Celsius
Step-by-step explanation:
Mean is the average of the numbers
As per the statement:
The mean temperature for the first 4 days in January was 7°C.
Sum of the first 4 days temperature =
It is also given that:
the mean temperature for the first 5 days in January was 5°C.
then;
Sum of the first 5 days temperature =
We have to find the temperature on the 5th days.
Substitute the given values we have;
Therefore, the temperature on the 5th days was -3 degree Celsius
Answer:
Because we get frightened easily.
Step-by-step explanation:
:D
Answer:
C) 3*10^6
Step-by-step explanation:
Divide the two numbers:
(6*10^-2)/(2*10^-8)=6/2*(10^-2/10^-8)=3*10^(-2-(-8))=3*10^(-2+8)=3*10^6
So C is correct
Use the definitions of expectation and variance.
Integrate by parts,
with
Then
(since the integral of the PDF is 1, and this integral is 4 times that)
Compute the so-called second moment.
Integrate by parts, with
Then
and the variance is
Answer:
APRIL
Step-by-step explanation: