The answer is J'(6, -2) M'(5,1)
When planning for a party, one caterer recommends the amount of meat be at least 2 pounds less than 1/3 the total number of gues
ts. Which graph represents this scenario?
2 answers:
Answer:
The graph in the attached figure
Step-by-step explanation:
Let
x-----> the total number of guests
y -----> the amount of meat
we know that
The inequality that represent this situation is equal to
Note The inequality is "greater than or equal" because the given statement say "at least"
The solution of this inequality is the shaded area above the solid line
The slope of the solid line is positive
The y-intercept of the solid line is -2
The x-intercept of the solid line is 6
therefore
The graph in the attached figure
Remember that
The values of x an y cannot be a negative number
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Answer:
b. The values X and Y are independent therefore, the mean is 34 seconds and the standard deviation is 50 seconds
Step-by-step explanation:
Subtraction between normal variables:
When two normal variables are subtracted, the mean is the difference of the means, while the standard deviation is the square root of the sum of the variances.
Before the training, the mean running time for the students to run a mile was 402 seconds with standard deviation 40 seconds.
This means that
After completing the program, the mean running time for the students to run a mile was 368 seconds with standard deviation 30 seconds.
This means that
Which of the following is true about the distribution of X-Y?
They are independent, so:
This means that the correct answer is given by option b.