<span><span> - </span>Find the 90% confidence interval for the standard deviation for the time it takes aninspector to check a bus for safety if a sample of 27 buses has a standard deviation of 6.8 minutes.Assume the variable is normally distributed. ... Best Answer: Let X be the time it takes an inspector tocheck a bus n = 27</span><span>[PDF]<span>Setiio/t 7. </span></span>
Answer:
C.(3 × $5) + $1 + $3 = x
Step-by-step explanation:
3x9=15($15 for pens)
$1 for pencils
$3 (for paper)
so (3 × $5) + $1 + $3 = x
hope this helps! C:
