Answer:
And we can find this probability with this difference:
And if we use the normal standard distribution or excel we got:
Step-by-step explanation:
Let X the random variable that represent the time required to construct and test a particular component of a population, and for this case we know the distribution for X is given by:
Where 
and 
We want to find this probability:
And the best way to solve this problem is using the normal standard distribution and the z score given by:
Using this formula we got:
And we can find this probability with this difference:
And if we use the normal standard distribution or excel we got:
Answer:
2 and 1/12
Step-by-step explanation:
you need to take 2 1/2 and convert it to the common denominator of 6
so 1/2 * 3 = 3/6. and 2*6 = 12. add the 12 and 3 to get 15/6. which is equivalent to 2 1/2
so multiply 15/6 * 5/6 and get 75/36 to get or 2 and 3/36. reduce down to 2 and 1/12
Answer:
40degres
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
111 divided by 11 is 10.0909090909
and 88 divided by 8 is 11 so no it`s not proportional.
Answer:
Step-by-step explanation:
The correlation coefficient being negative means that the tendency of the dots in the plane is a negative slope; the coefficientof determination tells you how close the dots are to being on the linear regression equation. This vaue falls between 0 and +1. This value will never be negative; the answer is false.
