rntaran2002
08.04.2020 •
Mathematics
Suppose that Felisha is a librarian, and she read in a scholarly journal that the number of words in children's picture books published since 1950 is normally distributed with a mean of 802.2 words and a standard deviation of 88.0 words. She wishes to construct a confidence interval for the mean number of words in all children's picture books published after 2010, in case the number has changed in recent years. Felisha took a random sample of 20 children's picture books published after 2010 and counted the number of words in all 20 books. Her data is presented in the stem-and-leaf plot. 4 9 5 1 9 6 0 4 5 7 0 3 4 6 8 8 1 3 4 6 9 1 5 9 10 1 7 4951960457034688134691591017 Leaf Unit
Solved
Show answers
More tips
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- C Computers and Internet How to Learn to Type Fast?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
Answers on questions: Mathematics
- M Mathematics What is the value of y? A. 63 degrees B. 54 degrees C. 73 degrees D. 126 degrees...
- M Mathematics Anyone delete my account...
- H History 2. is written communication between two or more people....
- B Biology The genes that handle proteins necessary for cell division are a. oncogenes....
- M Mathematics .......Help Please............
- H History In what year was the long parliament called into session by charles i of england? a.)1620 b.)1650 c.)1640 d.)1630...
- C Chemistry How is the nucleus of atom able to stay cohesive if it contains both positive and negative charges?...
Ответ: