1270 in expanded form using exponents
1 answer:
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Answer:
-124
Step-by-step explanation:
The equation for a discriminant is:
So for
a = 7 b = - 4 c = 5
Plug values into the equation.
16 - 140 = -124
Answer:
0.0000
Step-by-step explanation:
Given that a die is rolled 360 times. Let say that you want to use normal approximation to find the probability that the number of 4 was rolled exactly 100 times.
Here we know that getting 4 is binomial with p = 1/6 and n =360
By approximating to normal after checking conditions are satisfied we have
X = no of fours obtained is normal
with mean =
and variance =
Std dev = 7.072
X is N(60, 7.072)
For finding out prob x=100 we have to do continuity correction as