Mathematics, 19.04.2021 16:00 missymiss4273
Bob has a bulb factory that produces two types of bulbs: white light (x) and color light (y). It is known that the standard deviation of service life for the population of white light bulbs is hours and hours for color bulbs, both are normally distributed. He tested the mean service life of those two types of bulbs by randomly drawing a sample of 20 bulbs from each type. The estimated mean service life are hours and hours. Assume that . What is the absolute value of the t-statistic if the null hypothesis is that both types of bulbs have the same service life?
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 16:00, isabelsmhl
To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet
Answers: 2
Mathematics, 21.06.2019 22:00, connorhanratty6487
James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays
Answers: 1
Mathematics, 22.06.2019 04:30, MoparorNocar061401
40 points which is the equation of a line perpendicular to the line with the equation: y = 1/4x + 2 a : y = -4x - 7 b : y = 4x + 2 c : y = 1/4x - 1/2 d : y = -1/4x + 3
Answers: 1
You know the right answer?
Bob has a bulb factory that produces two types of bulbs: white light (x) and color light (y). It is...
Questions in other subjects:
Mathematics, 14.04.2020 14:14
Social Studies, 14.04.2020 14:15
Mathematics, 14.04.2020 14:15
Chemistry, 14.04.2020 14:15
Chemistry, 14.04.2020 14:15
Physics, 14.04.2020 14:16
