Mathematics, 18.11.2019 21:31 sheram2010
The life of a red bulb used in a traffic signal can be modeled using an exponential distribution with an average life of 24 months. the maintenance worker inspects the signal every year. • what is probability that the red bulb will need to be replaced at the first inspection? • if the bulb is in good condition at the end of 18 months, what is the probability that the bulb will be in good condition at the end of 24 months? hint: use p(a | b) = p(a∩b) p(b) • if the signal has six red bulbs, what is the probability that at least one of them needs replacement at the first inspection? assume distribution of lifetime of each bulb is independent.
Answers: 3
Mathematics, 21.06.2019 18:10
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
Answers: 1
Mathematics, 21.06.2019 20:00
Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?
Answers: 3
Mathematics, 21.06.2019 21:30
Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups
Answers: 3
Mathematics, 21.06.2019 22:00
Rewrite so the subject can be y in the formula d=m-y/y+n
Answers: 1
The life of a red bulb used in a traffic signal can be modeled using an exponential distribution wit...
Business, 25.02.2021 04:30
Mathematics, 25.02.2021 04:30
Chemistry, 25.02.2021 04:30
Physics, 25.02.2021 04:30
Mathematics, 25.02.2021 04:30
Mathematics, 25.02.2021 04:30
English, 25.02.2021 04:30
Mathematics, 25.02.2021 04:30
Social Studies, 25.02.2021 04:30
Mathematics, 25.02.2021 04:30