Answer:
-2
Step-by-step explanation:
-2-2/1-(-1)
=-4/2
=-2
Answer:
A
Step-by-step explanation:
4x/4=x
8/4=2
x=2
<u>Answer:</u>
Carpet costs = 300£
<u>Step-by-step explanation:</u>
• First calculate the area of the floor:
Area of floor = length x width
= 5m² x 3m²
= 15m²
• As one m² of carpet costs £20, 15m² of carpet costs:
15 x 20
= 300£
Answer:
Step-by-step explanation:
Given that in an experiment, a number cube is rolled 4 times. The number of times a 5 shows is recorded. Sixty trials of the experiment are run.
No of 5's Freq Prob
0 6 0.1
1 9 0.15
0 33 0.55
3 3 0.05
4 9 0.15
60 1
The above is the probability distribution of the discrete variable.