Answer:
About 3 years Speedy Jet printers be guaranteed.
Step-by-step explanation:
Given : Quality control studies for Speedy Jet Computer Printers show the lifetime of the printer follows a normal distribution with
mean
and standard deviation 
If the company wishes to replace no more than 10% of the printers.
To find : How long should Speedy Jet printers be guaranteed ?
Solution :
Using Z- table,
Z value corresponding to 10% or 0.10 = -1.28.
Applying z-score formula,

The value of x is given by,

Substitute the values,



So, approx 3 years.
Therefore, About 3 years Speedy Jet printers be guaranteed.
Divide 13.20 by 6.
6/13.20 = 1/2.2
1 bowl is $2.20
Answer:
27 over 50
Step-by-step explanation:
27 over 50 equals 54%. 54%is greater than 27%
36m+25. ehhwienebtbtbrbve
Answer:
Step-by-step explanation:
4/6=2/3
2/3=2/3
scale factor=2/3