The talk-time battery life of a group of cell phone is normally distributed with a mean of 5 hours and a standard deviation of 15 minutes.
c) What percent of the phones have a battery life less than 5 hours or greater than
5.5 hours? (include 1 decimal place WITHOUT the % sign)

y=mx+b

step-by-step explanation:

m is slope, b is y-intercept

child does not get an education so she can use the molla on junk

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

given hc ∥ gd.¯¯¯¯¯¯which statement is true

step-by-step explanation:

∠cbe and ∠deb are same-side interior angles