Mathematics, 26.01.2021 01:00 ICyberAngel
In an article appearing in Today’s Health a writer states that the average number of calories in a serving of popcorn is 75. To determine if the average number of calories in a serving of popcorn is different from 75, a nutritionist selected a random sample of 20 servings of popcorn and computed the sample mean number of calories per serving to be 78 with a sample standard deviation of 7.
At the a = .05 level of significance, does the nutritionist have enough evidence to reject the writer’s claim?
A. No
B. Yes
C. Cannot determine
Answers: 2
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 22:30, rachelsweeney10
Determine domain and range, largest open interval, and intervals which function is continuous.
Answers: 2
Mathematics, 21.06.2019 23:00, arnold2619
How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)
Answers: 2
Mathematics, 21.06.2019 23:50, kordejah348
Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p. mc) knowing that it is going to rain tomorrow, and going to bed before 9 p. md) knowing that you have a test in school tomorrow, and studying thw night before
Answers: 2
Mathematics, 22.06.2019 00:30, JosefineRubino2204
Which of the following represents a function? 50 !
Answers: 1
You know the right answer?
In an article appearing in Today’s Health a writer states that the average number of calories in a s...
Questions in other subjects:
Social Studies, 01.12.2020 05:30
Mathematics, 01.12.2020 05:30
Mathematics, 01.12.2020 05:30
History, 01.12.2020 05:30
Mathematics, 01.12.2020 05:30
