Mathematics, 19.09.2019 19:10 nardosem9
Abox in a certain supply room contains four 40-w lightbulbs, five 60-w bulbs, and six 75-w bulbs. suppose that three bulbs are randomly selected. a. what is the probability that exactly two of the selected bulbs are rated 75-w? b. what is the probability that all three of the selected bulbs have the same rating? c. what is the probability that one bulb of each type is selected? d. suppose now that bulbs are to be selected one by one until a 75-w bulb is found. what is the probability that it is necessary to examine at least six bulbs?
Answers: 3
Mathematics, 21.06.2019 15:00, tynitenaire
Idon’t understand this.. will someone ? will mark brainliest along with 20 points.
Answers: 1
Mathematics, 21.06.2019 21:00, angelaguero536
In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)
Answers: 1
Mathematics, 22.06.2019 00:00, cchave9563
Asequence is a function whose is the set of natural numbers
Answers: 1
Abox in a certain supply room contains four 40-w lightbulbs, five 60-w bulbs, and six 75-w bulbs. su...