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(Bivariate Normal Conditional Calculation). Suppose the systolic blood pressure Xand fasting blood sugar Y are jointly distributed as bivariate normal in some population with means 120 and 105, standard deviations 10 and 20, and correlation 0.7. Find the average fasting blood sugar of those with a systolic blood pressure greater than 140.
What is the probability that a cereal would either high calorie or high fiber? In other words, what is P(high calorie or high fiber)?
For each of the following, indicate whether or not you would expect it to have a strong seasonal component and why.
Management plans to sample 150 packages per week. What is the appropriate control chart?
a. How many different 3-course meals can be ordered from this menu? (Draw a tree diagram to help visualize this sample space; or use the counting rule to find the total number of meals.)
The floor plan of a house is rectangular. The house's length is 2x-10 and its width is x+3. Write an expression for the area of the house
an ice cream store offers 18 different ice cream flavors and 6 different toppings. you are able to order one or two
the metal body for a spark plug is made by a combination of cold extrusion and machining. the occurrence of surface
there are 40 students in an elementary statistics class. on the basis of years of experience the instructor knows that
When the machine is functioning correctly the company expects a mean of 10.00 mm and a standard deviation of 0.05 mm. The machine is overhauled when the variability (i.e. the SD) deviates from the norm by 50% or more. What do your results suggest ..
What is them 98% confidence interval for the average number of minutes it takes to create a test question?
Describe the distribution of sample means (shape, expected value, and standard error) for samples of n=36 selected from a population with a mean of µ=100 and a standard deviation of σ=12.
a sample of nine fastballs thrown by a certain pitcher were measured at speeds of 94 87 80 91 85 102 85 80 93 miles per
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