16.1 divided by 4.6 - 1.78
equals 1.72
Hope this helps,
QueenBeauty666
Answer:
92.65 % light bulbs last less than 2080 hours
Step-by-step explanation:
We are given that The amount of time a certain brand of light bulb lasts is normally distributed
Mean =
Standard deviation =
We are supposed to find What percentage light bulbs last less than 2080 hours, to the nearest tenth

Z=1.45
Refer the z table for p value
p value = 0.9265
Hence 92.65 % light bulbs last less than 2080 hours
Answer:
$329,375
Step-by-step explanation:
first take 155000 x 4.5% = 6975
take 6975 × 25 years = 174,375.
t or the total cost is 155,000 + 174,375 = $329,375
Answer:
8 Hours
Step-by-step explanation:
40 divide by 5 is 8