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3 years ago

Please someone help ASAP!!!!!!

Mathematics

2 answers:

VMariaS [17]3 years ago

6 0

Answer:

$\boxed{1.7 million}$

Step-by-step explanation:

Hey there!

To find the amount of people who lived in Northern Ireland in 2005 we need to subtract the total 60.2 mil by the England, Scotland, and Wales people.

50.4 + 5.1 + 3

= 58.5

Now we can set up the following equation,

NI = 60.2 - 58.5

NI = 1.7 million

Hope this helps :)

Afina-wow [57]3 years ago

5 0

Answer:

1.7 million in Northern Ireland

Step-by-step explanation:

Simply do the difference between the number of people in the UK, minus the number of people in everywhere else except northern Ireland. That is:

60.2 M - 50.4 M - 5.1 M - 3.0 M = 1.7 M

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Step-by-step explanation:

Given:

A normally distributed data.

Mean of the data, $\mu$ = 5.5 mins

Standard deviation, $\sigma$ = 0.4 mins

We have to find the callers percentage who are on hold between 5.4 and 5.8 mins.

Lets find z-score on each raw score.

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⇒ Plugging the values.

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For raw score 5.5 the z score is.

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We have to work with P(5.4<z<5.8).

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⇒ $P(z$

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⇒ $0.7734-0.4013$

⇒ $0.3721$

To find the percentage we have to multiply with 100.

⇒ $0.3721\times 100$

⇒ $37.21$ %

The percent of callers who are on hold between 5.4 minutes to 5.8 minutes is 37.21

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