Answer:
Properties of a normal distribution
The mean, mode and median are all equal.
The curve is symmetric at the center (i.e. around the mean, μ).
Exactly half of the values are to the left of center and exactly half the values are to the right.
The total area under the curve is 1.
Step-by-step explanation:
Answer:
The number of children attended the fair is 1520.
Step-by-step explanation:
We are given the following in the question:
Entry fee foe children = $1.50
Entry fee foe adult = $4.00
Total number of people in fair = 2200
Total money collected = $5000
Let x be the number of children and y be the number of adults in the fair.
Then, we can write the following equations:

Solving the two equations, we have:

Thus, there were 1520 children and 680 adults in the fair.
Answer:
21/4
Step-by-step explanation:
Multiply 7 and 3/4 to get 5.25 which is equivalent to 5 1/4
5 1/4 in an improper fraction is 21/4
Answer:
african american.
Step-by-step explanation:
Elephant races
African bush elephant. North African elephant. Desert elephant.
African forest elephant.
Asian elephant. Borneo elephant. Indian elephant. Sri Lankan elephant. Sumatran elephant. Syrian elephant. Javan elephant.
Extinct. Mammoth. Mastodon. Dwarf elephant. Pygmy mammoth.
Elephant racing, though unusual as a sporting event, is held in many parts of the world but mostly in Asia. The earliest known such racing event as a tradition is reported from Vietnam.
Answer:
40
Step-by-step explanation:
y = 50 + .4 x 40
y = 30 + .9 x 40
y = 66 for both equations