Answer:
0.314 = 31.4% probability that a randomly selected person in this city will have a commute time between 0.4 and 1 hours
Step-by-step explanation:
Exponential distribution:
The exponential probability distribution, with mean m, is described by the following equation:
In which 
is the decay parameter.
The probability that x is lower or equal to a is given by:
Which has the following solution:
The probability of finding a value higher than x is:
In this question:
What is the probability that a randomly selected person in this city will have a commute time between 0.4 and 1 hours?
In which
So
0.314 = 31.4% probability that a randomly selected person in this city will have a commute time between 0.4 and 1 hours
Answer: 16/13
Step-by-step explanation:
Facts:
Total: 26 restaurants
Pizza parlors: 13
9/13 do not sell alcohol
7/13 do not sell alcohol
Total probability (not serving alcohol): 16/13
Answer:
(8/4)100 = 200
Step-by-step explanation:
Simplify the following:
8/4×100
Hint: | Express 8/4×100 as a single fraction.
8/4×100 = (8×100)/4:
(8×100)/4
Hint: | In (8×100)/4, divide 100 in the numerator by 4 in the denominator.
4 | | 2 | 5
| 1 | 0 | 0
- | | 8 |
| | 2 | 0
| - | 2 | 0
| | | 0:
8×25
Hint: | Multiply 8 and 25 together.
8×25 = 200:
Answer: 200
Answer:
325 km
Step-by-step explanation:
Given the scale :
1 : 4 ,000, 000
1cm measure in map = 4000000 on the ground
From the map :
Distance between Leeds and London = 8.125 cm
The actual distance on ground can be calculated thus :
1cm = 4,000,000
8.125cm = x
Cross multiply
x = 32500000 cm
Converting to kilometers :
1 km = 100,000 cm
x = 32500000
Cross multiply
100,000x = 32500000
x = 32500000 / 100000
x = 325
Hence, actual distance between Leeds and London is 325 km
