Question

and median values for company 2 are the same.Question 3 (1 point)Abe tested 85 Brand X light bulbs to determine their life spans. The histogram belowshows the results of his test.Life Spans of85 Brand X Light Bulbs2423212019181615Number of Light Bulbs12900 110 120 ODNumber of HoursApproximately what percent of Brand X light bulbs had life spans greater than onequal to 1000 hours?60%

Answer 1

Given The histogram shows the results of his test. Life Spans of 85 Brand X Light Bulbs

As shown, the total number of tested X Light Bulbs =

$13+16+19+21+16=85$

The number of X light bulbs had life spans greater than on equal to 1000 hours

=

$19+21+16=56$

so, the percentage will be =

$\frac{56}{85}\cdot100=65.88\%$

Rounding to the whole number

So, the answer will be 66%

so, the answer is option b. 66%