tania needs to buy at least 3 pounds of bananas. if she buys a bunch of bananas that weighs 42 ounces will she have enough? expl
2 answers:
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Answer:
And we can use the probability mass function and we got:
And replacing we got:
Step-by-step explanation:
Let X the random variable of interest "number of graduates who enroll in college", on this case we now that:
The probability mass function for the Binomial distribution is given as:
Where (nCx) means combinatory and it's given by this formula:
We want to find the following probability:
And we can use the complement rule and we got:
And we can use the probability mass function and we got:
And replacing we got:
Answer:
Step-by-step explanation:
Notice that the focus is a points on the vertical axis, that means the parabolla opens vertically, and has the form
Because the parameter is positive and equal to 0.75. Additionally, the vertex is at the origin, that's why the equation is this simple.
Replacing the parameter value, we have
Therefore, the equation of a parabolla with vertex at the origin and focus at (0, 0.75) is .