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Ostrovityanka [42]

3 years ago

9

Tickets to a local basketball team’s games cost $12 each. Brendon and Ed each bought tickets to four games. How much did they sp

end on tickets altogether

2 answers:

mr_godi [17]3 years ago

6 0

Answer:

$96

Step-by-step explanation:

$12 x $4 = $48

$48 x $2 = $96

$96

zloy xaker [14]3 years ago

5 0

Answer: $96

Step-by-step explanation:

12x2=24

24x4=96

Hopefully this is good enough but this is what I got

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Solve the equation below. x-5÷2=2x+4÷6

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Diano4ka-milaya [45]

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3 years ago

Huan's wage is £10.40 per hour l. he receives a 10% pay rise

r-ruslan [8.4K]

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2 years ago

How many points are needed to determine a unique line segment?

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3 years ago

A quality control engineer at a potato chip company tests the bag filling machine by weighing bags of potato chips. Not every ba

Ahat [919]

Answer:

$z=\frac{0.21 -0.15}{\sqrt{\frac{0.15(1-0.15)}{100}}}=1.68$

Step-by-step explanation:

Information provided

n=100 represent the random sample taken

X=21 represent the number of bags overfilled

$\hat p=\frac{21}{100}=0.21$ estimated proportion of overfilled bags

$p_o=0.15$ is the value that we want to test

z would represent the statistic

Hypothesis

We need to conduct a hypothesis in order to test if the true proportion of overfilled bags is higher than 0.15.:

Null hypothesis: $p =0.7$

Alternative hypothesis: $p > 0.15$

The statistic for this case is:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

And replacing the info given we got:

$z=\frac{0.21 -0.15}{\sqrt{\frac{0.15(1-0.15)}{100}}}=1.68$

5 0

3 years ago