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Rashid [163]
3 years ago
5

Use the diagram below for (a-c).

Mathematics
1 answer:
Gnesinka [82]3 years ago
6 0
Synagogues is doing a lot better today than
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Kayla paid $27.50 for a pair of gloves. The cost of the gloves is $8.75 more than the cost of a scarf. Which equation can be use
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Answer:

You can use subtraction

Step-by-step explanation:

$27.50 - $8.75 = $18.75 (cost of scarf)

-----------------------------------------------------------------------

the gloves cost 27.50 dollars and if the scarf cost 8.75 dollrs more then that means that if we subtract that extra mount we should get the price of the scarf

if $18.75 is the cost of scarf and if gloves are $8.75 more then...

$18.75 (scarf) + $8.75 (extra $) = $27.50 (gloves)

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3 years ago
Eight times four is how much less than six squared
andreev551 [17]
8 times four is less than 6 squared by 4, because 8*4 = 32 and 6^2 = 36 then 36-32 = 4. 
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4 years ago
if one honeybee makes 1/12 teaspoon of honey during its lifetime,how many honeybees are needed to make 1/2 teaspoon of honey?
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It would take 6 honey bees to make a half
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Women athletes at the University of Colorado, Boulder, have a long-term graduation rate of 67%. Over the past several years, a r
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The answer is c that’s your answer
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3 years ago
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You take a random sample of 419 Galaxy phones off an assembly line and find 0.12 proportion to be defective. What is a lower bou
Artist 52 [7]

Answer:

The lower bound for a 90% confidence interval for the proportion of defective Galaxy phones from this assembly line is 0.0939.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 419, p = 0.12

95% confidence level

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.12 - 1.645\sqrt{\frac{0.12*0.88}{419}} = 0.0939

The lower bound for a 90% confidence interval for the proportion of defective Galaxy phones from this assembly line is 0.0939.

6 0
4 years ago
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