Answer:
C. 0.403
Step-by-step explanation:
Binomial distribution has two parameter n and p. Here, n=15 and p=0.60.
We have to find the probability of 10 or more will show that the hamburger, French fries and a drink were ordered. P(X≥10)=?
The binomial probability distribution function for random variable X is
where q=1-p=1-0.6=0.4,n=15 and p=0.6.
P(X≥10)=P(X=10)+P(X=11)+P(X=12)+P(X=13)+P(X=14)+P(X=15)
=0.185938
=0.126776
=0.063388
=0.021942
=0.004702
=0.000470
P(X≥10)= 0.185938
+0.126776
+0.063388
+0.021942
+0.004702
+0.000470
P(X≥10)=0.403216
So, the probability of 10 or more will show that the hamburger, French fries and a drink were ordered is 0.403.
Answer:
, 
, 
Step-by-step explanation:
The perimeter covered by the electric fence in meters is:
The area of the rectangle is:
Let differentiate the previous equation and equates to zero:
The critical point is:
By the Second Derivative Text, it is proved that critical point lead to a maximum:
The other side of the rectangle is:
The largest area than can be enclosed is:
The dimensions of the triangle are:
B. should be the correct answer.
I got this wrong just to help you figure out the right answer. (I just did not answer and this is the final result)
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