Mathematics, 22.08.2020 18:01 emma3216

The number of violent crimes committed in a day possesses a distribution with a mean of 2.3 crimes per day and a standard deviation of 2 crimes per day. A random sample of 100 days was observed, and the mean. number of crimes for the sample was calculated. Describe the sampling distribution of the sample mean. A) shape unknown with mean-2.3 and standard deviation 2
B) approximately normal with mean 2.3 and standard deviation 2
C) shape unknown with mean 2.3 and standard deviation 0.2
D) approximately normal with mean 2.3 and standard deviation 0.2

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:00

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

Answers: 1

Answer

Mathematics, 21.06.2019 20:00

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Answers: 1

Answer

Mathematics, 21.06.2019 22:30

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Answers: 1

Answer

Mathematics, 21.06.2019 22:30

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller

Answers: 2

Answer

You know the right answer?

The number of violent crimes committed in a day possesses a distribution with a mean of 2.3 crimes p...

Questions