Answer:
Step-by-step explanation:
A positive rational is any real number that can be written in the form a/b, where a and b are positive integers. ... A negative rational is any real number that can be written in the form -a/b, where a and b are positive integers.
Tommy is studying for final exams this weekend. He will spend 1/5 of his weekend studying. What fraction of the weekend will he spend studying for each of his 4 subjects if he spends the same amount of time studying for each subject.
ANSWER: 1/5 divided by 4/1 = 1/5 x 1/4 = 1/20
Answer:
b
Step-by-step explanation:
he makes 80 dollars for a normal shift
20 dollars for every phone he sells 20m
and e is the total amount
e=20m+80
Answer:
0.55 is the probability that Lions will score less than 3 goals.
Step-by-step explanation:
We are given the following in the question:
Number of goals(x): 0 1 2 3 4
Probability: 0.05 0.15 0.35 0.30 0.25
We have to find the probability that Lions will score less than 3 goals.
![P(X](https://tex.z-dn.net/?f=P%28X%3Cx%29%20%3D%20%5Cdisplaystyle%5Csum_%7BX%3D0%7D%5E%7BX%3Dx-1%7DP%28x_i%29%5C%5C%5C%5CP%28x%3C3%29%3DP%28x%3D0%29%2BP%28x%3D1%29%2BP%28x%3D2%29%5C%5CP%28x%3C3%29%3D0.05%20%2B%200.15%20%2B%200.35%3D0.55)
0.55 is the probability that Lions will score less than 3 goals.