PLEASE HELP! much appreciated :D Find the value of x.
1 answer:
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Answer:
When x=8, y=-6. When x=10, y=0
Step-by-step explanation:
You can plug the given y value into the second equation to get:
Hope this helps!
Answer:
0.06597
Step-by-step explanation:
Given that thirty-seven percent of the American population has blood type O+
Five Americans are tested for blood group.
Assuming these five Americans are not related, we can say that each person is independent of the other to have O+ blood group.
Also probability of any one having this blood group = p = 0.37
So X no of Americans out of five who were having this blood group is binomial with p =0.37 and n =5
Required probability
=The probability that at least four of the next five Americans tested will have blood type O+
=