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MariettaO [177]
2 years ago
14

Data set is normally distributed with a mean of 27 and a standard deviation of 3.5. Find the Z-score for a value of 25, to the n

earest
hundredth?
Mathematics
2 answers:
Step2247 [10]2 years ago
7 0

Answer:

-.57

Step-by-step explanation:

Using the Z-score formula we do 27-25= -2  -2/3.5= -/57

Svetradugi [14.3K]2 years ago
3 0

What is the standard deviation of the data set?

6, 4, 9, 5, 5, 4, 5

Round the answer to the tenths place.What is the standard deviation of the data set?

6, 4, 9, 5, 5, 4, 5

Round the answer to the tenths place.

Step-by-step explanation:

ERFSDFNJKOODSJNFIODSJIFJDSIOFDSF

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A rectangle has a height of 3 and a width of 2x*2 + 3x - 5 , express area of whole rectangle, please answer this ASAP !!!
monitta
Area is height time width, or in this case, 3(2x^2+3x+5), which is 6x^2+9x+15.
8 0
3 years ago
8.35x - 1.5 = 71.98<br> (a) 8.6<br> (b) 8.8<br> (c) 9<br> (d) 10.3
prisoha [69]
<h3>  Hola! :D ¡te invito a recibir ayuda de un latinoamericano puto!</h3><h2><u> _____________________________________ </u></h2><h2>                        8.35x - 1.5 = 71.98</h2><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2>

                           <u>El -1,5 qlero pasaría al otro lado positivo</u>

<h3>                                     8.35x = 71.98 + 1.5</h3><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2>

                              <u>Ahora, se suma 71.98 + 1.5 = 73,48</u>

<h3>                                         8.35x = 73,48</h3><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2>

    <u>El 8.35 qlero que está multiplicando, pasa al otro lado pero dividiendo</u>

<h3>                                       x = 73,48 ÷ 8.35</h3><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2>

                                                    <u>Dividimos</u>

<h3>                                               x = 8,8</h3><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2><h2>                 <u>(b) 8,8</u>  es la opción correcta</h2>
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2 years ago
Find y'' by implicit differentiation. 5x2 + y2 = 3
makkiz [27]
5x²+y²=3
by implicit differentiation we shall have:
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the second derivative will be:
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3 years ago
The line of reflection is the ____. y-axis, center of rotation, x-axis
nydimaria [60]

Answer:The line of reflection is the y axis

Step-by-step explanation:

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2 years ago
Need help figuring this one out
Dennis_Churaev [7]

Answer:

4.426020408 × 10∧19

Step-by-step explanation:

First, I found what 540 multiplied by 0.0000000028 was. Next, I took 66921428571428.6 and divided it by the product I got on top.

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