z equals -1 because 8 time negative one equals negative 8 plus 8 equals 0
10 (assuming you meant 5 TIMES 2
Answer:
The third one, x+(x+1)+(x+2)=-21 because x, x+1 and x+2 are three consecutive numbers.
Answer:
1736
Step-by-step explanation:
Area= b x h
= 28 x 62
= 1736 m
Using probability concepts, it is found that:
a) The missing value is 0.04.
b) The mean is of 0.37.
The distribution is given by:




Item a:
The sum of <u>all the probabilities has to be 1</u>, that is:

Thus:



The missing value is 0.04.
Item b:
The mean is given by the <u>sum of each outcome multiplied by it's probability</u>, thus:

The mean is of 0.37.
A similar problem is given at brainly.com/question/20709747