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2 years ago

Milk is sold by the liter in many countries. what is the volume of exactly 1/2 gal of milk in liters?

Mathematics

1 answer:

liraira [26]2 years ago

4 0

1/2 gallon of milk is approx. 1.892 liters

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A software engineer is creating a new computer software program. She wants to make sure that the crash rate is extremely low so

Soloha48 [4]

Answer:

a) the sample size is 400

b) 95% confidence Interval for p is ( 0.0286, 0.0714 )

Step-by-step explanation:

Given the data in the question;

sample size n = 400

x = 20

p = x / n = 20 / 400 = 0.05

q = 1 - p = 1 - 0.05 = 0.95

n = 400

Hence, the sample size is 400

b) 95% confidence Interval for p;

At 95% confidence interval,

significance level ∝ = 1 - 95% = 1 - 0.95 = 0.05

∝/2 = 0.05 / 2 = 0.025

so, Z critical Value ; $Z_{\alpha /2$ = 1.96 { from table }

So for Confidence Interval for p;

⇒ p' ± $Z_{\alpha /2$ √( p'q' / n )

we substitute

⇒ 0.05 ± 1.96√( (0.05 × 0.95 ) / 400 )

⇒ 0.05 ± 1.96√( 0.00011875 )

⇒ 0.05 ± 1.96 × 0.010897

⇒ 0.05 ± 0.021358

⇒ ( 0.05 - 0.021358 ), ( 0.05 + 0.021358 )

⇒ ( 0.0286, 0.0714 )

Therefore, 95% confidence Interval for p is ( 0.0286, 0.0714 )

8 0

2 years ago

PLS HELP MEE ASAP 1 MIN LEFT HELPP!!!!!!!!!

artcher [175]

Answer: BC = 5.83

Step-by-step explanation:

Luckily, the triangle is placed on the graph nicely so we can count the legs of the triangle:

AB = 5

AC = 3

BC = ?

To find BC, we can simply use the Pythagorean Theorem:

$a^{2}+b^{2}=c^{2}$

5^2 + 3^2 = c^2

25 + 9 = c^2

34 = c^2

Now square root to find c, or BC.

$\sqrt{34}=\sqrt{c^{2} }$

c = 5.83 (rounded by nearest hundredth)

4 0

2 years ago

How do you solve break even problems?

Mandarinka [93]

A break even problem is found when you calculate starting a buisieness
so lets ssay you have to buy 3 coppy machines and each machine costs 2000 dollars,
the people who want to use your coppy machines have to pay $0.40 per page
so you have spent 6000 dollars already
when you break even, it is when your earnings equals your expenditure (how much you earned equals how much you paid)

8 0

2 years ago

a baker orders 162 eggs. each cartoon contains 18 eggs. which equation can you use to find the number x of cartoons?

Oxana [17]

18x = 162

x = 9

There are 9 cartons filled with 18 eggs each, which is 162 eggs in total.

4 0

2 years ago

Catherine owns $22.50 on her lunch account balance. She pays $15 toward her balance. What is the status of her account balance n

Alex777 [14]

Answer:

22.50

- 15.00

_______

7.50

Step-by-step explanation:

She still owes $7.50

6 0

2 years ago

Read 2 more answers