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riadik2000 [5.3K]
4 years ago
12

Consider a normally distributed data set with a mean of 154 and a standard deviation of 9.8. If one of the observed values is 17

6, what is the z score?
Mathematics
2 answers:
pashok25 [27]4 years ago
8 0
+2.24
i got it right on my quiz
Genrish500 [490]4 years ago
4 0

Answer:

z score = 2.24

Step-by-step explanation:

A normally distributed data set is given with a mean of 154 standard deviation 9.8.

If one of the observed value is 176, then we have to calculate the z-score.

z value = \frac{Score-mean}{standarddeviation}

z score = \frac{176-154}{9.8}

            = \frac{22}{9.8} = 2.24

z score = 2.24

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kolezko [41]

Answer:

B.

Step-by-step explanation:

Not another one! ;)

A can be eliminated because the numbers don‘t match. B seems like a possible answer, let’s first check the others out. C and D can be slim instead because the variable, g, should be next to the 1.5 and 2.5. C and D both change the variable location. So, B.

4 0
3 years ago
Bubbles bakery has 24 oatmeal cookies, 36 vanilla bean cookies, 42 chocolate chip cookies. What is the greatest common factor bu
STatiana [176]

Answer:6

Step-by-step explanation:

We have three groups of cookies as follows:

24   oatmeal

36   vanilla bean

42  chocolate chip

If we breack down into factors we get

24    2       24 = 2³ * 3        36    2   36 = 2²*3³         42   2   42 = 2*3*7

12     2                                 18    2                              21   3

6      2                                   9    3                                7   7

3      3                                   3    3                                1

1                                             1

Fom where we can get that biggest common factor is 6

24 ÷  6      =  4

36 ÷  6      =  6

42 ÷  6      =  7

Then Bakery will have  4 groups of oatmeal cookies, 6 of vanilla bean, and 7 chocolate chip

7 0
4 years ago
What is lcm between 24 and 22
brilliants [131]
Answer should be 264
6 0
3 years ago
What is the initial value of the equation shown?
lapo4ka [179]

Answer:

-5

Step-by-step explanation:

The initial value would be the value when x=0.  Substituting 0 for x,

y = -2(0)-5

y = 0 - 5

y = -5

5 0
3 years ago
Which expression represents the volume of the pyramid? One-fourths2h units3 One-thirds2h units3 s2h units3 3s2h units3
seraphim [82]

Answer:

V=\dfrac{1}{3}s^2h

Step-by-step explanation:

The question should be :

A solid right pyramid has a square base with an edge length of s units and a height of h units.

The formula for the volume of the pyramid is given by :

V=\dfrac{1}{3}\times A\times h

A is area of base and h is height.

As edge length is s units.

A = (s)²

So,

V=\dfrac{1}{3}\times s^2\times h\\\\=\dfrac{1}{3}s^2h

So, the required volume is one-thirds s²h unit³.

5 0
3 years ago
Read 2 more answers
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