Answer: a) 0.6141
b) 0.9772
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
The formula for z -score :

a) Sample size = 1
For x= 63 in. ,

The p-value = 

Thus, the probability is approximately = 0.6141
b) Sample size = 47
For x= 63 ,

The p-value = 

Thus , the probability that they have a mean height less than 63 in =0.9772.
Answer:
282 Hours after 6 weeks
Step-by-step explanation:
Multiply the 6 weeks and the 48 hour a week adverage and theres your answer!
Step-by-step explanation:
m < QRS = m < URS + m < QRU
30x - 4 = 60° + 15x - 4
15x = 60°
X = 4°
<u>m < QRS</u> = 30 * 4 - 4 = <u>116°</u>
The answer is C. 3/5
20 girls, 3 boys. 23/40 is about 60 percent, or 3/5.
I wrote the wrong answer on accident for whatever reason when I first sent this, I apologize.