subject
Mathematics, 25.12.2020 17:10 Karinaccccc

On a given day, the proportion of workers from Company B who purchase a coffee from the company cafeteria is 0.62 and the proportion of workers from Company C who purchase a coffee from the company cafeteria is 0.71. A random sample of 40 workers was selected from Company B and another random sample of 40 workers was selected from Company C. The proportion of workers from Company B who purchased coffee was

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
question
Mathematics, 21.06.2019 20:30
If rt is greater than ba, which statement must be true ?
Answers: 1
question
Mathematics, 21.06.2019 21:00
Write the equation in logarithmic form m^x=n
Answers: 1
question
Mathematics, 22.06.2019 02:30
What is the slope-intercept form of a line that passes through points (2, 11) and (4, 17)? y=-3x-5 o y=3x-5 y=-3x+5 0y=3x+5
Answers: 2
You know the right answer?
On a given day, the proportion of workers from Company B who purchase a coffee from the company cafe...
Questions
question
Geography, 17.06.2020 01:57
Questions on the website: 13722362