The answer is C because 4 + 15 = 19.
Answer:
h=5
Step-by-step explanation:
5h +2 -h = 22
4h+2=22
4h=20
h=5
Answer:
What is the probability that it does not rain tomorrow, if the probability that it ... Find the probabilities that a child selected at random, ... (a) A bag contains 2 red marbles, 1 blue marble and 1 yellow marble. ... In February 1995 it rained on 18 days. ... A card is taken at random from a full pack of playing cards with no jokers.
Step-by-step explanation:
Answer:
And we can find this probability with the normal standard distirbution or excel and we got:
Step-by-step explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
Solution to the problem
Let X the random variable that represent the lenghts of a population, and for this case we know the distribution for X is given by:
Where and
We are interested on this probability
And the best way to solve this problem is using the normal standard distribution and the z score given by:
If we apply this formula to our probability we got this:
And we can find this probability with the normal standard distirbution or excel and we got:
Answer:
1 cm^3
Step-by-step explanation:
Length x Width x Height
1 x 1 x 1 = 1