Answer:
E 0.923
Step-by-step explanation:
The Z score is a measurement used in statistics to determine the relationship between a value and a mean of a group of values measured as standard deviation from the mean. The z score (z) is given as:
, Where μ is the mean, σ is the standard deviation and x is the value.
Given that:
σ = 7, μ = 80 and x = 90
From the normal distribution table, P(X < 90) = P(z < 1.43) = 0.923
Answer:
Two Decimal Places Rule #1: If the last digit in 0.167 is less than 5, then remove the last digit. Two Decimal Places Rule #2: If the last digit in 0.167 is 5 or more and the second to the last digit in 0.167 is less than 9, then remove the last digit and add 1 to the second to the last digit.
Step-by-step explanation:
Multiply length times width to find the area. 6.5x11= 71.5
Answer:
D) 14.25
Step-by-step explanation:
It's basically saying when you use the ruler to measure something it will measure in 0.25. And will continue on to 0.50, 0.75, 1.00, 1.25, etc..
He bought 2.5 pounds of apples on monday, then another 1.2 pounds on tuesday. In total, he bought 2.5+1.2 = 3.7 pounds of apples.
Multiply this with the cost per pound (2.20)
3.7*2.20 = 8.14
Answer: Choice C) $8.14
