I roll 2 number cubes 60 times. how many times can i expect the sum of the numbers to be greater than 10
1 answer:
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Answer:
9
Step-by-step explanation:
we know by definition that
so now we evaluate
and if we want to do an extra step
which works.
Answer:
a.
b. The symbol y-bar represents the average price of hotels in the area
Step-by-step explanation:
a. The regression line equation is given by:
Where Alpha represents the slope, Beta represents the intercept with the Y axis, and epsilon represents the random component of the model. Thus,
y
Obtaining:
.
b. In a simple linear regression model the value of y-bar represents the average of all values of y observed. Thus, since y represents the prices of the hotels, then y-bar is the average price of hotels in the area.