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4 years ago

11

Your goal is to save at least $360.00 over the next 6 weeks. How much money must you save each week in order to meet that goal?

Write and solve an inequality.
I NEED HELP RN!!!!!!!!!!!!!!!!!!!!!

1 answer:

vichka [17]4 years ago

4 0

60 dollars each week. 360.00/6=60

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A company that produces fine crystal knows from experience that 15% of its goblets havecosmetic flaws, while the remaining 85% a

Vinvika [58]

Answer:

The probability that exactly two have flaws is P (x=2) = 0.2376

Step-by-step explanation:

Here

Success= p= 0.15

Failure = q= 0.85

total number= n= 8

Number chosen = x= 2

Applying the binomial distribution

P (x=x) = nCx p^x(q)^n-x

P (x=2) = 8C2 0.15 ²(0.85)^8

P (x=2) = 0.2376

The success is chosen about which we want to find the probability. Here we want to find the probability that exactly two have flaws so success would be having flaws therefore p = 0.15

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3 years ago

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Ira Lisetskai [31]

Answer:

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Step-by-step explanation:

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3 years ago

A professor records the difference between the marks scored by the students in the class test last week and those scored in the

dezoksy [38]

Answer: $(10.82\ , 13.18)$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\mu\pm\ z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

Given : Sample size : n= 35 , large sample (n>30)

Mean difference : $\overline{x}=12$

Standard deviation : $\sigma=3$

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Now, the 99.9% confidence interval for the mean difference between the marks scored last week and marks scored this week by all the students will be :-

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3 years ago

Whats 0.2 divide by 0.4 work and answer

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4 years ago

Read 2 more answers

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MrMuchimi

Answer:

b = 8.9

Step-by-step explanation:

( 12^2 - 8^2 )

(144 - 64)

$\sqrt{80}$

b= 8.9

3 0

3 years ago