Mathematics, 31.10.2021 08:50 Eruein
Suppose that a box contains 8 cameras and that 3 of them are defective. A sample of 2 cameras is
selected at random. Define the random variable X as the number of defective cameras in the
sample.
Write the probability distribution for X. Write your answer in fraction form or round to 3 decimal
places.
k
P( X = k)
0
0.357142857 vom
1
2
<
colo
A
What is the expected value of X? i
3
Answers: 2
Mathematics, 21.06.2019 12:30, lanakay2006
Timed***how else can the sequence for row 1 be written? notice: square a: 1 penny = 20 square b: 2 pennies = 21 square c: 4 pennies = 22 the sequence formed is geometric, with a1 = , and common ratio r = .
Answers: 1
Mathematics, 21.06.2019 18:30, genyjoannerubiera
Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8 feet of ribbon. he cut off one piece that was 3 5/8 feet long and another piece that was 1 1/4 feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.
Answers: 1
Mathematics, 21.06.2019 19:30, sofiisabella10
If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8
Answers: 2
Suppose that a box contains 8 cameras and that 3 of them are defective. A sample of 2 cameras is
s...
Mathematics, 07.05.2021 20:40
Mathematics, 07.05.2021 20:40
Mathematics, 07.05.2021 20:40
Mathematics, 07.05.2021 20:40