Show the graph and determine if the given function is continuous on each of the given intervals.
1. f(x)=4x²-x+6; (-infinite, 0)
2.f(x)=4/x-5;(-5,5)
3.f(x)=√x-1;(1,+infinite)
4.f(x)=-|-5x|;(-1,+infinite)
A manufacturer of light bulbs produces bulbs that last a mean of 950 hours with a standard deviation of 120
hours. What is the probability that the mean lifetime of a random sample of 10 of these bulbs is less than 900
hours?
Solve the given problem. Don't forget to show your solutions
1.populition consists of the four number 1,2,4 and 5.list all the possible sample of size n=3 which can be drawn with replacement from the population. Find the following :
A. Population mean
B. Population variance
C. Population standard deviation
D. Mean of the sampling distribution of sample mean
E. Variance of the sampling distribution of sample means
F. Standard deviation of the sampling distribution of sample means
A. Find each of the following percentile points under the normal curve.
3. P74
4. P81
given population 2,7,9 what is the population variance
A(-3,1), B(4, 5), and C(5, -3).
Negation of P implication Q implication of P
If t is a tautology and c is contradiction, show that p ∨ t ≡ p and p ∧ c ≡ c?
the curve of a normal distribution extends identify at the tails but does not touch it.this means that the curve is blank to the baseline
For the function f (x)= 1-(1)/(x+2)^(2),find the following:
(i)f(-x) (ii)f(x +k)