subject
Mathematics, 07.05.2020 05:02 wolfgirl4762

The number of violent cri mes committed in a day possesses a distribution with a mean of 2.8 crimes per day and a standard deviation of 4 crimes per cay. A random sample of 100 days was observed, and the sample mean number or crimes for the sample was calculated. Describe the sampling distribution of the sample means.

a.) shape unknown with mean of 2.8 and a standard deviation of 0.4

b.) approximately normal with mean of 2.8 and standard deviation of 4

c.) shape unknown with mean of 2.8 and standard deviation of 4

d.) approximately normal with mean of 2.8 and standard deviation of 0.4

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 3
question
Mathematics, 21.06.2019 23:00
What is the circumference of the pie
Answers: 2
question
Mathematics, 22.06.2019 00:00
The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z
Answers: 2
question
Mathematics, 22.06.2019 00:30
Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)
Answers: 2
You know the right answer?
The number of violent cri mes committed in a day possesses a distribution with a mean of 2.8 crimes...
Questions
question
Mathematics, 10.11.2020 03:20
question
Mathematics, 10.11.2020 03:20
question
Mathematics, 10.11.2020 03:20
question
Mathematics, 10.11.2020 03:20
question
English, 10.11.2020 03:20
question
Mathematics, 10.11.2020 03:20