Mathematics, 27.09.2019 02:30 kayleemiller5669
Question suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 5656 hours and a standard deviation of 3.33.3 hours. with this information, answer the following questions. (a) what proportion of light bulbs will last more than 6262 hours? (b) what proportion of light bulbs will last 5252 hours or less? (c) what proportion of light bulbs will last between 5858 and 6262 hours? (d) what is the probability that a randomly selected light bulb lasts less than 4646 hours? (a) the proportion of light bulbs that last more than 6262 hours is
Answers: 3
Mathematics, 21.06.2019 19:30
[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 1
Mathematics, 21.06.2019 22:00
Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)
Answers: 1
Mathematics, 22.06.2019 00:50
F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2
Answers: 2
Question suppose that the lifetimes of light bulbs are approximately normally distributed, with a m...
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Biology, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
History, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Biology, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01
Mathematics, 18.09.2020 16:01