I am so sorry I cannot help you with that because I am so bad at measurement I’m about to ask one myself
Answer: 0.4207
Step-by-step explanation:
Let
be the sample mean area.
Given: Population mean :
sq. feet
Standard deviation:
sq. feet
Sample size : n= 10
The probability that the sample mean area is
or less if the manufacturer’s claim is true.
![P(\overline{x}](https://tex.z-dn.net/?f=P%28%5Coverline%7Bx%7D%3C249.6%29%3DP%28%5Cdfrac%7B%5Coverline%7Bx%7D-%5Cmu%7D%7B%5Csigma%7D%3C%5Cdfrac%7B249.6-250%7D%7B2%7D%29%5C%5C%5C%5C%3D%20P%28z%3C-0.2%29%5C%20%5C%20%5C%20%5C%20%20%20%20%20%20%20%5Bz%3D%5Cdfrac%7B%5Coverline%7Bx%7D-%5Cmu%7D%7B%5Csigma%7D%5D%5C%5C%5C%5C%3D1-P%28z%3C0.2%29%5C%5C%3D1-%200.5793%5C%5C%5C%5C%3D0.4207)
Required probability = 0.4207
Answer: 20
Step-by-step explanation:
Answer:
x ≤ 1
Step-by-step explanation:
3x+4≤ 7
3x + 4 - 4 ≤ 7 - 4
3x≤3
x ≤ 1