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tamaranim1 [39]

2 years ago

13

Can someone help me with this math problem?

1 answer:

ANEK [815]2 years ago

6 0

Do 12 2/3+10 2/3 which is 23 1/3 than subtract 8 2/3 for your answer.

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Madison must run a mile in no more than 9 minutes to qualify for the race

MariettaO [177]

Answer:

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4 0

3 years ago

Which one does not belong<br><br>8 27 64 16

Brums [2.3K]

Answer:

27 doesn't belongs to this group

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7 0

3 years ago

large boxes weigh 40 pounds and small boxes weigh 35 pounds, a total of 120 boxes on a truck carrying 4475 pounds altogether . h

klasskru [66]

Do you have answer choices?

7 0

2 years ago

Evaluate the expression x2 • x1 for x = 9

miskamm [114]

Answer:

162

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

A researcher believes that 12% of a simple random sample of adults will be able to identify a Toyota Scion by brand and model na

DochEvi [55]

Answer: 650

Step-by-step explanation:

When prior estimate of population proportion is known , then the formula to find the required sample size is given by :-

$n=p(1-p)(\dfrac{z^*}{E})^2$

, where p= population proportion

E= margin of error

z* = Critical value.

Let p be the proportion of adults able to identify a Toyota Scion by brand and model name.

As per given , we have

p = 12%= 0.12

E= 2.5%=0.025

Critical value for 95% confidence interval : z* = 1.960 [By z-table ]

Then, the required sample size = $n=(0.12)(1-(0.12))(\dfrac{1.96}{0.025})^2$

$n=(0.1056)(78.4)^2$

$n=(0.1056)(6146.56)$

$n=649.076736\approx650$

Thus , the required sample size = 650

6 0

3 years ago