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alexandr402 [8]
3 years ago
10

SOMEONE ANSWER MY FREAKING QUESTIONS!!!!!! please

Mathematics
1 answer:
kirza4 [7]3 years ago
4 0

Answer: i dont know trie asking linder0917

Step-by-step explanation:

ok

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g The manager of a grocery store has selected a random sample of 100 customers. The average length of time it took these 100 cus
vagabundo [1.1K]

Answer:

The right solution is "0.196".

Step-by-step explanation:

The given values are:

Standard deviation,

\sigma=1 \ minute

Sample size,

n=100

Confidence level,

c=95%

  =0.95

Now,

For \alpha=1-c

         = 1-0.95

         =0.05

then,

Z_{\frac{\alpha}{2} } = Z_{\frac{0.05}{2} }

     =Z_{0.025}

     =1.96

The margin or error will be:

⇒ E=Z_{\frac{\alpha}{2} } (\frac{\sigma}{\sqrt{n} })

On substituting the values, we get

       = 1.96(\frac{1}{\sqrt{100} })

       = 1.96\times \frac{1}{10}

       = 0.196

7 0
3 years ago
Instructions: Find the missing side. Round your answer to the nearest tenth.<br> 54°<br> 29
Gemiola [76]

Answer:

x = 23.5

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

sin theta = opp / hyp

sin 54 = x / 29

29 sin 54 = x

x=23.46149

To the nearest tenth

x = 23.5

6 0
3 years ago
Answer the following about estimating 5,392/7.
saul85 [17]

Answer:

5600/7

It is an overestimate

5 0
2 years ago
Read 2 more answers
The mean of a set of data is 3.77 and its standard deviation is 3.39. Find the z score for a value of 6.19
melomori [17]
Z = (x - mu)/sigma
z = (6.19 - 3.77)/3.39
z = 0.71386430678467
z = 0.71

The approximate z score, rounded to two decimal places, is 0.71
6 0
3 years ago
Help please and thank you!!!!!
beks73 [17]

Answer:

60000

Step-by-step explanation:

The mean is the average

Add all the salaries together

(30000+30000+40000+40000+40000+50000+190000)

420000

Then divide by the number of number

420000/7

60000

6 0
3 years ago
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