subject
Mathematics, 16.11.2019 02:31 xojade

Annual incomes are known to have a distribution that is skewed to the right instead of being normally distributed. assume that we collect a large (ngreater than30) random sample of annual incomes. can the distribution of incomes in that sample be approximated by a normal distribution because the sample is large? why or why not?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Q1) jin loves carrot yesterday she ate ½ of here carrots and today she ate 2/3 of the remaining carrots. she then discover that she has 12 carrots left. yesterday she must has started with carrots? a)36 b)48 c)60 d)72
Answers: 1
question
Mathematics, 21.06.2019 15:00
Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 1
question
Mathematics, 21.06.2019 22:30
Which of the following graphs could represent a quartic function?
Answers: 1
You know the right answer?
Annual incomes are known to have a distribution that is skewed to the right instead of being normall...
Questions
question
Biology, 20.07.2019 06:00
question
Mathematics, 20.07.2019 06:00
question
Mathematics, 20.07.2019 06:00
Questions on the website: 13722367