Can't give you an answer without a picture of the figure.
Answer:
About 68% (is that an answer choice?)
Step-by-step explanation:
In a normal distribution (a bell curve), about 68 percent of the data is in the range between one standard deviation below the mean to one standard deviation above. If your mean is 27, and the standard deviation is 3, then one deviation below to one above would be 27 - 3 to 27 + 3, or 24 - 30.
a) Is 7.44 You would do 33.98 - 26.54 (Dish w/ Salt Water - Dish)
b) Is 2.74 You would do 29.28 - 26.54 (Dish w/ dried salt - Dish)
c) Is 4.7 You would do 7.44 - 2.74 ( Mass of salt water - Mass of dried salt)
Let me know if this helped you! Have a wonderful night and good luck tomorrow! You got this! :)
Answer: 9
Step-by-step explanation:
The reason for this is because the top row is 1234 you have to take the 27 and divide it by 3 giving you 9 so that means that the ? equals 9
60 but that’s disappointing you should be practicing for at least 48 hours a day