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3 years ago

Please help giving brainiest

Mathematics

2 answers:

Klio2033 [76]3 years ago

3 0

I think it’s the last one sorry if I’m wrong

netineya [11]3 years ago

3 0

Answer:

I think so too is the last one

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nikitadnepr [17]

I don't get this is need to stop answering questions

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3 years ago

Tom went to a shop where there was a 20% off sale taking place

-Dominant- [34]

Find 20 percent of $20 by multiplying 0.20 x20

You get $4. That’s what he saved.

7 0

2 years ago

Please help me!<br> I will give brainly

Natali [406]

1. 80
2. 90
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2 years ago

What is the minimum number of clients the travel agent should survey? Note that z=1.96 for a 95% confidence interval.

slega [8]

Answer:

121

Step-by-step explanation:

Given data as per the question

Standard deviation = $\sigma$ = 840

Margin of error = E = 150

Confidence level = c = 95%

For 95% confidence, z = 1.96

based on the above information, the minimum number of clients surveyed by the travel agent is

$n = (\frac{z\times \sigma}{E})^2$

$= (\frac{1.96\times 840}{150})^2$

= 120.47

= 121

hence, the 121 number of clients to be surveyed

Therefore we applied the above formula to determine the minimum number of clients

4 0

3 years ago

Why are there graphs.

Tasya [4]

Answer:

Graphs are a common method to visually illustrate relationships in the data. The purpose of a graph is to present data that are too numerous or complicated to be described adequately in the text and in less space. ... If the data shows pronounced trends or reveals relations between variables, a graph should be used.

Step-by-step explanation:

8 0

3 years ago

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