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Vikentia [17]
3 years ago
6

Shaded area is 0.9599. Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard d

eviation 1
Mathematics
1 answer:
pychu [463]3 years ago
5 0

Answer:

Z-score is 1.75

Step-by-step explanation:

1 - 0.9599 = 0.0401

You can find the Z-score from the standard normal table. Just read the table in reverse.

In this case, Z = 1.75

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Fill in the blank 43_ _ _54
Oksana_A [137]

Answer:

The answer is add 4.

Step-by-step explanation:

I know this because if you add 4 to 43 that's 47 so that's 1 of the blanks. Add another 4 that's 51. that's another 1. and that's last one is add 4 which makes 54.

Hope this helps.

6 0
2 years ago
Mary bought 4 small cookies for 40 cents each and 2 large cookies for 90 cents each how much did she spend all together
babunello [35]

Answer:

$3.40

Step-by-step explanation:

4x.40 is 1.60

2x.90 is 1.80

Then you take 1.80+1.60 to get $3.40 Hope this helps!

4 0
3 years ago
Molybdenum rods are produced by a production line setup. It is desirable to check whether the process is in control, i.e. equal
ikadub [295]

Answer: Test statistic = -8 and rejected region is  (-∞,-1.966) and (1.966, ∞)

Step-by-step explanation:

Since we have given that

X is the length of a rod.

Sample Mean = 2 inches

Standard deviation = 0.5 inches

n = 400

Hypothesis are

H_0:\mu=2.2\\\\H_1:\mu\neq 2.2

Test statistics would be

t=\dfrac{\bar{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}}\\\\t=\dfrac{2-2.2}{\dfrac{0.5}{\sqrt{400}}}\\\\t=-8

Degrees of freedom = n-1 =400-1 =39

and \alpha =0.05\\\\\dfrac{\alpha }{2}=\dfrac{0.05}{2}=0.025

Using the t-distribution table, we get that critical value z = 1.966

Since the two tail test will be applied to this,

So, the acceptance region will be (-1.966, 1.966)

Hence, the rejected region will be (-∞,-1.966) and (1.966, ∞)

5 0
2 years ago
Janet weights 20 pounds more than Anna if the sum of their weights is 250 lb how much does each girl weigh
Svetradugi [14.3K]
The answer is 145 mansnjsjejsjjsjsjejejejejejejdjuehdybe
3 0
3 years ago
How can you tell if a set of bivariate data shows a linear relationship?
Anastasy [175]
<span>It introduces the relationship between two variables and is called correlation. Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together. On the contrary, indirect variation or proportion indicates negative relationship or correlation. Elaborately, the opposite of what happens to direct variation. One increases with the other variables, you got it, decreases. This correlations are important to consider because you can determine and identify how two variables relates with one another. Notice x = y (direct), y=1/x (indirect)
</span>
5 0
3 years ago
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