Sally was having a birthday party. She bought 3 balloons for $2. She decided she wanted to
2 answers:
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The first digit may be 1 or 8.
The second digit may be 1, 2, 4, 8.
The third digit may be 1, 3, 5, 7, 9.
There are
The probability that this is the correct code is
Answer:
Step-by-step explanation:
Given the equation of the circle:
We wish to express it in a Standard form:
We begin by re-arranging:
Next, divide the coefficient of x by 2, square it and add it to both sides.
Do the same for y.
Next, we factorize
This is the standard form.
Answer:
0.044
Step-by-step explanation:
n=9,p=0.9, x =6.
Apply Binomial probability we get
Sum P(x)=C(n,x) for x=6
Putting in the formula ,
we get
P(x) = C(9,6)
84 X 0.531441 X 0.001
= 0.044