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
Mathematics, 21.06.2019 17:30, queenpaige2015
How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !
Answers: 2
Mathematics, 21.06.2019 19:30, tsmalls70988
What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
Answers: 1
Mathematics, 21.06.2019 20:40, alemvp8219
Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?
Answers: 3
Mathematics, 21.06.2019 22:50, josmanu235
Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem
Answers: 1
In an article appearing in Today’s Health a writer states that the average number of calories in a s...
Mathematics, 02.12.2020 03:50
Computers and Technology, 02.12.2020 03:50
Advanced Placement (AP), 02.12.2020 03:50
History, 02.12.2020 03:50