type cos(155) into a calculator
cos(155)= -0.906307787...
Answer:
x = -1
Step-by-step explanation:
Answer: 0.6065
Step-by-step explanation:
Given : The machine's output is normally distributed with
Let x be the random variable that represents the output of machine .
z-score :
For x= 21 ounces
For x= 28 ounces
Using the standard normal distribution table , we have
The p-value :
Hence, the probability of filling a cup between 21 and 28 ounces= 0.6065
Answer:
y=X(2.15)
or
y=X x 2.15
Step-by-step explanation:
y is the total cost of bookmarks in the equation while X is how many book marks times the price of one book mark which is 2.15