Martina starting playing video games as soon as she got home from school. She played video games for 15 minutes. Then Martina he
1 answer:
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Answer:
C. 5 weeks.
Step-by-step explanation:
In this question we have a random variable that is equal to the sum of two normal-distributed random variables.
If we have two random variables X and Y, both normally distributed, the sum will have this properties:
To calculate the expected weeks that the donation exceeds $120, first we can calculate the probability of S>120:
The expected weeks can be calculated as the product of the number of weeks in the year (52) and this probability:
The nearest answer is C. 5 weeks.
Answer:
Step-by-step explanation:
GIVEN: The weight, in pounds, of a newborn baby months after birth can be modeled by the function
.
TO FIND: What is the y-intercept of the function and what is its interpretation in the context of the problem.
SOLUTION:
in
if
Hence y-intercept is
the y-intercept in this represents the weight of baby just after he is born.