According to the empirical rule, roughly 68% of the scores fall between z = -1 and z = 1
You can use a calculator to get a more approximate answer. If you have a TI calculator, you can use the "normalcdf" function to type in normalcdf(-1,1)
Answer:
headband 17.88
Wristband 9.31
Step-by-step explanation:
headband: 822.48/(43+3)
Wristband: 400.33/43
Answer:
I think it would be 12440
Step-by-step explanation:
Please give me brainliest
There are 5280 feet in a mile:
5280ft/mi
When using proportions to solve for unknown quantities, you need to keep the same units on the same side. This means keep "ft" on the top side and "mi" on the bottom side.
I would go with the second choice.
