Dan is going to fix dinner.He turns on the oven.The graph shows the temperature over time.Why does the graph not start at zero
1 answer:
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Answer:18 ways
Step-by-step explanation:
Given
There are three color available for truck i.e. red, turquoise and green
Truck can have leather or cloth seats
Also there are 3 color available for interior
So no of ways in which a customer can choose a truck is
Calculate the value of z and its probability, since with this we can know how likely it is that this will happen.
We have that the mean (m) is equal to 8.3, the standard deviation (sd) 1.2 and the sample size (n) = 15
They ask us for P (x =7.2)
For this, the first thing is to calculate z, which is given by the following equation:
z = (x - m) / (sd / (n ^ 1/2))
We have all these values, replacing we have:
z = (7.2 - 8.3) / (1.2 / (15 ^ (1/2))
z = -3.55
With the normal distribution table (attached), we have that at that value the approximate probability is:
P (z = -3.55) = 0.0001
The probability is 0.01 %
This affirms that the students do not sleep what the study says because the probability of this happening according to the survey is almost nil.
