Answer:
84.134%
Step-by-step explanation:
We solve this question using the z score formula.
The formula for calculating a z-score is z = (x-μ)/σ
where
x is the raw score
μ is the population mean
σ is the population standard deviation.
We are were asked in the question that:
Suppose that adult women in China have heights that are normally distributed with a
mean = 155 centimeters
standard deviation = 8 centimeters. Of the Chinese women, what percent are shorter than 163cm?
Using the z score formula
z = (x-μ)/σ
z = (163 - 155)/8
z = 8/8
z = 1
Determining the Probability value from Z-Table:
P(x ≤ 163) = P(x < 163)
= 0.84134
Converting to percentage
= 0.84134 × 100%
= 84.134%
The percent of Chinese women that are shorter than 163cm is 84.134%
Given:
6%
To convert the given percent into simplified fraction, we first divide it by 100 as shown below:
Therefore, the answer is:
Answer:
equal to
Step-by-step explanation:
1/3 = 3/9
1/3 = 1*3/3*3 = 3/9
It's a parallelogram, opposite sides congruent.
6x - 7 = 2x + 9
4x = 16
x = 4
12 = y + 3
9 = y
Answer: x=4, y=9
Solve k²-6k+9=(k-3)²=0, so k=3. The polynomial becomes 9x³-18x+9=9(x³-2x+1)=9(x-1)(x²+x-1).
