Answer:
178
Step-by-step explanation:
i dont think explanation is required
Answer: The option B. 1.9 is correct
Explanation:
We are given the below information:
x Probability P(x)
0 0.2
1 0.1
2 0.4
3 0.2
4 0.1
The expected value of x is given below:




Therefore, the expected value of x is 1.9
Answer:
A positive integer is greater than a negative integer. Therefore, 2 is greater than –4. ... To compare two negative integers, the negative integer with the smaller number is greater.
Step-by-step explanation:
Hope you enjoy and this helps!
Answer:
60
Step-by-step explanation:
Steps to solve "54 is 90 percent of what number?"
We have, 90% × x = 54
or,
90/100 × x = 54
Multiplying both sides by 100 and dividing both sides by 90,
we have x = 54 × 100/90
x = 60
If you are using a calculator, simply enter 54×100÷90, which will give you the answer.