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3 years ago

A 16-fluid ounce bottle of juice costs $2.00. What is the unit cost?

Mathematics

2 answers:

SCORPION-xisa [38]3 years ago

8 0

B. 0.125 because 2.00/16 equals 0.125

gtnhenbr [62]3 years ago

4 0

2/16
1/8
0.125/ fluid ounce

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Im a dummy but theres a question i figured out

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Answer:

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Step-by-step explanation:

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3 years ago

Which of the following is not an example of using the distributive property to multiply 12 times 22?

s2008m [1.1K]

That would be : 10(2 * 22)

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3 years ago

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3 years ago

for the data values below construct a 95 confidence interval if the sample mean is known to be 12898 and the standard deviation

Volgvan

Answer:

A 95% confidence interval for the population mean is [3315.13, 22480.87] .

Step-by-step explanation:

We are given that for quality control purposes, we collect a sample of 200 items and find 24 defective items.

Firstly, the pivotal quantity for finding the confidence interval for the population mean is given by;

P.Q. = $\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }$ ~ $t_n_-_1$

where, $\bar X$ = sample proportion of defective items = 12,898

s = sample standard deviation = 7,719

n = sample size = 5

$\mu$ = population mean

Here for constructing a 95% confidence interval we have used a One-sample t-test statistics as we don't know about population standard deviation.

So, 95% confidence interval for the population mean, $\mu$ is ;

P(-2.776 < $t_4$ < 2.776) = 0.95 {As the critical value of t at 4 degrees of

freedom are -2.776 & 2.776 with P = 2.5%}

P(-2.776 < $\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }$ < 2.776) = 0.95

P( $-2.776 \times {\frac{s}{\sqrt{n} } }$ < ${\bar X-\mu}$ < $2.776 \times {\frac{s}{\sqrt{n} } }$ ) = 0.95

P( $\bar X-2.776 \times {\frac{s}{\sqrt{n} } }$ < $\mu$ < $\bar X+2.776 \times {\frac{s}{\sqrt{n} } }$ ) = 0.95

95% confidence interval for $\mu$ = [ $\bar X-2.776 \times {\frac{s}{\sqrt{n} } }$ , $\bar X+2.776 \times {\frac{s}{\sqrt{n} } }$ ]

= [ $12,898-2.776 \times {\frac{7,719}{\sqrt{5} } }$ , $12,898+2.776 \times {\frac{7,719}{\sqrt{5} } }$ ]

= [3315.13, 22480.87]

Therefore, a 95% confidence interval for the population mean is [3315.13, 22480.87] .

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4 years ago

What is the greatest common factor of 90 and 135?

RSB [31]

Answer:

GCF = 45

Step-by-step explanation:

90 = 9×10 = 3²×2×5

135 = 45×3 = 9×5×3 = 3²×5×3 = 3³×5

GCF = 3²×5 = 9×5 = 45

6 0

3 years ago