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lilavasa [31]
3 years ago
11

An experiment using 35 guinea pigs is set up to study the weight of the pigs after injecting them with a drug. If the population

mean is 23.5 grams with a standard deviation of 3.4 grams, what is the margin of error of the sample mean?
Mathematics
2 answers:
Artist 52 [7]3 years ago
7 0
The formula in getting the margin of error of the sample mean, the formula is the product of the percentage of confidence and the quotient of the population of the standard deviation and the square root of of its sample size. So the answer is  0.097 grams
patriot [66]3 years ago
5 0

If the population mean is 23.5 grams with a <span>standard deviation of 3.4 grams, then the margin of error of the sample mean is </span><span>0.097 grams. The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query about this specific question.</span>

<span> </span>

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Bre will receive one of the following 3 prizes: a boombox, a mini tv, or a sony playstation. which simulation would best be used
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Step-by-step explanation:

3 0
3 years ago
cylindrical vase holds 8,038.4 cubic centimeters of water. The height of the vase is 40 centimeters. What is the length of the r
iragen [17]

The radius of the cylindrical vase is 8 centimeters, if the cylindrical vase holds 8,038.4 cubic centimeters of water and the height of the vase is 40 centimeters.

Step-by-step explanation:

The given is,

                 Volume of cylindrical vase = 8038.4 cubic centimeters

                 Height of the cylindrical vase = 40 centimeters

Step:1

                Formula for volume of cylindrical vase,

                                     Volume, V=\pi r^{2} h......................(1)

               Where, r - Radius of cylindrical vase

                           h - Height of cylindrical vase  

                From the given,

                                      V = 8038.4 cubic centimeters

                                      h = 40  centimeters  

                Equation (1) becomes,

                             8038.4 = \pi r^{2}  40

                                          =(3.14)(40)r^{2}                               (∵ \pi = 3.14 )

                               8038.4 = 125.6 r^{2}

                                      r^{2} = \frac{8038.4}{125.6}            

                                       r =\sqrt{64}

                                       r = 8 centimeters

Result:

           The radius of the cylindrical vase is 8 centimeters, if the cylindrical vase holds 8,038.4 cubic centimeters of water and the height of the vase is 40 centimeters.

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