subject
Mathematics, 11.02.2021 18:30 versaceblooper

At a high school, 29% of students are freshmen. Let X = the number of students that are freshman in a random sample of 25 students from the school. Which one of the following statements about the mean and standard deviation of the sampling distribution of X is true?
Mean=7.25, standard deviation cannot be determined from the information given
Neither the mean nor the standard deviation can be determined from the information given.
Mean=725, Standard Deviation=2.27
Mean-7.25. Standard Deviation=0.45

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?
Answers: 1
question
Mathematics, 21.06.2019 19:20
What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9
Answers: 2
question
Mathematics, 21.06.2019 20:00
Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?
Answers: 1
question
Mathematics, 21.06.2019 21:30
Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?
Answers: 1
You know the right answer?
At a high school, 29% of students are freshmen. Let X = the number of students that are freshman in...
Questions
question
Social Studies, 01.09.2019 16:00
question
Mathematics, 01.09.2019 16:00
question
Mathematics, 01.09.2019 16:00
Questions on the website: 13722367