True or False: A sample taken from a normally distributed population will also be normally distributed.

Mathematics

2 answers:

ElenaW [278]4 years ago

6 0

The <em><u>correct answer</u></em> is:

False.

Explanation:

We cannot be sure that all samples from a normal distribution will also be normally distributed.

The Central Limit Theorem states that the sampling distribution of the sample means approaches a normal distribution as the sample size gets larger, especially for sample sizes over 30. Basically as you take more samples from a given distribution, especially large samples, the graph of the sample means will look more like a normal distribution.

However, this does not state that all samples of a normal distribution will also be normal.

Klio2033 [76]4 years ago

5 0

Answer:is true just got it wrong on edgen because of the person above me

Step-by-step explanation:

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pablos pizza shop made a profit of $495 each day for 12 days. what is the total profit for all 12 days

a_sh-v [17]

Answer:

$5940

Step-by-step explanation:

multiply 495 x 12 = 5940

Pablos pizza gain a profit of $5940 in 12 days.

4 0

3 years ago

Find the area of the parallelogram whose vertices are given below. A(negative 2,2) B(2,0) C(10,3) D(6,5)

swat32

Answer: Area of Parallelogram is 28 units squared.

Step-by-step explanation:

Knowing, any two vector sides of a parallelogram sharing the same initial point, we can find the area of parallelogram that two vectors are shaping, using the cross product of these two vectors a×b, where the area is given by

Area= |a×b| ___ (1)

From the given points,we may choose any three of them such and find a two vector and expresses the sides of parallelogram " or one side and a diagonal of parallelogram" ,we may choose for example B ,C and D.

Moreover, we may choose point B, to be common point for the two sides " the initial point of two vector" thus we need to find vector BD and vector BC .

Calculations are given in picture.