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SSSSS [86.1K]
3 years ago
15

here are the ingredients for making fish pie for 5 people. 180g flour,240g fish,80g butter,4 eggs, 180ml milk . Lan makes a fis

pie for 15 people. Work out how much butter he needs
Mathematics
2 answers:
kvasek [131]3 years ago
8 0
5p = 80b
3(5p) = (80b)3
15p = 240b

Lan need 240g of butter to make fish pie for 15 people.
Cloud [144]3 years ago
4 0
The amount of better needed
As 5 people serves need 80g,15 people serves need 15÷5=3 times of 5 people serves

Total amount needed=80g×3
=240g
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a.  We get 560 heads out of 1000 tosses.

We will use one sample proportion test  

x = 560

n = 1000

\widehat{p}=\frac{x}{n}

\widehat{p}=\frac{560}{1000}

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Formula of test statistic =\frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}

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