F(x)=8x^4-3x^2+4x-1=0 ; 0 less than or equal to r less than or equal to 1
1 answer:
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Answer:
the probability that a random sample of 17 persons will exceed the weight limit of 3,417 pounds is 0.0166
Step-by-step explanation:
The summary of the given statistical data set are:
Sample Mean = 186
Standard deviation = 29
Maximum capacity 3,417 pounds or 17 persons.
sample size = 17
population mean =3417
The objective is to determine the probability that a random sample of 17 persons will exceed the weight limit of 3,417 pounds
In order to do that;
Let assume X to be the random variable that follows the normal distribution;
where;
Mean = 186 × 17 = 3162
Standard deviation =
Standard deviation = 119.57
Therefore; the probability that a random sample of 17 persons will exceed the weight limit of 3,417 pounds is 0.0166
Answer:
Discriminant is 60
Step-by-step explanation:
the discriminant of
To find discriminant , first we write the equation in the form of
Subtract 2 on both sides
a=3, b=6, c=-2
Formula for discriminant is
Plug in the values
Discriminant is 60