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Aleksandr-060686 [28]
3 years ago
5

2 FUIS

Mathematics
2 answers:
sergiy2304 [10]3 years ago
5 0
A lol hope this helps
nordsb [41]3 years ago
4 0

Answer: 6 + 89 = 3948*

Step-by-step explanation:

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Charra [1.4K]

Answer:

it is 27

Step-by-step explanation:

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3 years ago
A researcher wants to test if the mean annual salary of all lawyers in a city is different from $110,000. A random sample of 50
KiRa [710]

Solution :

This is the two tailed test.

The null hypothesis and the alternate hypothesis is as :

Null hypothesis is $H_0:\mu=110000$

Alternate hypothesis is $H_0:\mu \neq110000$

$\overline x = 112000, \ \mu = 110000, \sigma = 16100, n =  50, \alpha = 0.02$

Therefore, the critical value of z is :

$z_{\alpha} = -2.33 \text{ and}\  2.33$

Now the test statics is :

$z=\frac{\frac{(\overline x - \mu)}{\sigma}}{\sqrt n}$

$z=\frac{\frac{(112000-110000)}{16100}}{\sqrt {50}}$

$z=0.87$

The test statics is 0.878

We see that it is a right tailed test.

$P(z > 0.878)=1-P(z

$P- \text{value}= \ 2 \times 0.19$

              = 0.3800

Thus , P-value > α

So we fail to reject the null hypothesis.

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2 years ago
Which expression represents the value of the series below? 3 + 7 + 11 + 15 + ... + 1,671
givi [52]
I am pretty sure it is 4 i think
8 0
3 years ago
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Mildred has a bag of coins the bag contains 10 dime 5 nickels 1 penny
Nuetrik [128]
10 dimes cost 10 cents each so 10 x 10 is 100 coins and 5 nickels are 5 cents each so 5 x 5 is 25 and 1 penny is 1 cent so if you add 100, 25, and 1 it's 126 which is 1.26
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3 years ago
When wiring a house, an electrician knows that the time she will take is given by the formula Time= 2 hours + 12 minutes per lig
agasfer [191]

Answer:

Step-by-step explanation:

Time = 2 hrs + 12 min (10) = 4 hrs.

Cost = 35 + 20*4

Cost = 35+80

Cost = 115

7 0
2 years ago
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