The z-score of 30,000 is -2. Reference to a normal standard distribution table shows that 97.72% of tires will have a life of at least 30,000 miles.
Answer:
There is a possibility it could be 23, but I am probably wrong
Step-by-step explanation:
Answer: 1. <u><em>77.31961650818018</em></u> 2. <u><em>16.26020470831196</em></u> 3. <em><u>75.7499673021964</u></em> 4. <em><u>31.89079180184571</u></em> 5. <em><u>67.38013505195958</u></em> 6. <em><u>28.072486935852954</u></em>
Step-by-step explanation:
I used a right triangle calculator!
5.3×10^5=53×10^4
53×10^4+3.8×10^4
=56.8×10^4
=5.68×10^5. Hope it help!
Wdym
Like can you be specific
