Answer:
13 : 20
Step-by-step explanation:
Given that:
- 40 kids choose swimming
- 24 choose music
- 16 choose art
So the ratio of kids who choose music to kids who choose swimming:
Number of kids choose music : Number of kids choose swimming
26 : 40
= 13 : 20
Hope it will find you well
The mean of the probability distribution is given by the expected value given by

The variance of the probability distribution is given by

The standard deviation is given by
No. 6r is 6 multiplied by r so in order to get r, you will need to divide both sides by 6 in the first equation so r should =12
9514 1404 393
Answer:
156° or 13π/15 radians
Step-by-step explanation:
156 times 1° is 156°.
In radians, the angle measure is (156°)(π/180°) = 13π/15 radians.
Answer:
2^3 = 8
base = 2, main number in the exponential equation
exponent = 3, have to multiply the base 3 times by itself
power = 2^3, the whole equation
hope this helps!
Step-by-step explanation: