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the number of small cars rented is 6.
The number of large cars rented is 8.
Step-by-step explanation:
Step 1 :
Each small car can hold = 5 people
Each large car can hold = 8 people
Step 2 :
Number of small cars rented = x
Number of large cars rented = x + 2
Step 3 :
Altogether the total cars can hold 94 people.
Total people = 5 people (No. of small cars) + 8 people (No. of large cars)
94 = 5 (x) + 8 (x+2)
94 = 5x + 8x + 16
78 = 13x
x = 78/13 = 6
∴ Number of small cars, x = 6 small cars
Number of large cars, x+2 = 8 large cars.
Step-by-step explanation:
Volume of cylindrical container

Answer:
12 problems
Step-by-step explanation:
72/6 is 12.
Answer: - 0.28
Explanation:
1) Expected value: is the weighted average of the values, being the probabilities the weight.
That is: ∑ of prbability of event i × value of event i.
In this case: (probability of getting 2 or 12) × (+6) + (probability of gettin 3 or 11) × (+2) + (probability of any other sum) × (-1).
2) Sample space:
Sum Points awarded
1+ 1 = 2 +6
1 + 2 = 3 +2
1 + 3 = 4 -1
1 + 4 = 5 -1
1 + 5 = 6 -1
1 + 6 = 7 -1
2 + 1 = 3 +2
2 + 2 = 4 -1
2 + 3 = 5 -1
2 + 4 = 6 -1
2 + 5 = 7 -1
2 + 6 = 8 -1
3 + 1 = 4 -1
3 + 2 = 5 -1
3 + 3 = 6 -1
3 + 4 = 7 -1
3 + 5 = 8 -1
3 + 6 = 9 -1
4 + 1 = 5 -1
4 + 2 = 6 -1
4 + 3 = 7 -1
4 + 4 = 8 -1
4 + 5 = 9 -1
4 + 6 = 10 -1
5 + 1 = 6 -1
5 + 2 = 7 -1
5 + 3 = 8 -1
5 + 4 = 9 -1
5 + 5 = 10 -1
5 + 6 = 11 +2
6 + 1 = 7 -1
6 + 2 = 8 -1
6 + 3 = 9 -1
6 + 4 = 10 -1
6 + 5 = 11 +2
6 + 6 = 12 +6
2) Probabilities
From that, there is:
- 2/36 probabilities to earn + 6 points.
- 4/36 probabilites to earn + 2 points
- the rest, 30/36 probabilities to earn - 1 points
3) Expected value = (2/36)(+6) + (4/36) (+2) + (30/36) (-1) = - 0.28
Answer:
Step-by-step explanation:
3/4x + -3