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Serggg [28]
3 years ago
5

The answer please ?????

Mathematics
1 answer:
attashe74 [19]3 years ago
5 0
There is only one solution
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Correct each sentence by writing the correct form of the underlined verb
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Grammar isn't like math,
you have to sound it out to see if it makes sense.
1.splashes
2.fixs
3.catches
4.mix
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3 years ago
7. Sandra had a coupon for 20% off. It took off $60 from the total cost. What was the original price of the item? Proportion Sol
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I’m pretty sure it’s b tell me if I’m wrong tho~~
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3 years ago
In a recent survey of college professors, it was found that the average amount of money spent on entertainment each week was nor
Alenkinab [10]

Answer:

0.0918

Step-by-step explanation:

We know that the average amount of money spent on entertainment is normally distributed with mean=μ=95.25 and standard deviation=σ=27.32.

The mean and standard deviation of average spending of sample size 25 are

μxbar=μ=95.25

σxbar=σ/√n=27.32/√25=27.32/5=5.464.

So, the average spending of a sample of 25 randomly-selected professors is normally distributed with mean=μ=95.25 and standard deviation=σ=27.32.

The z-score associated with average spending $102.5

Z=[Xbar-μxbar]/σxbar

Z=[102.5-95.25]/5.464

Z=7.25/5.464

Z=1.3269=1.33

We have to find P(Xbar>102.5).

P(Xbar>102.5)=P(Z>1.33)

P(Xbar>102.5)=P(0<Z<∞)-P(0<Z<1.33)

P(Xbar>102.5)=0.5-0.4082

P(Xbar>102.5)=0.0918.

Thus, the probability that the average spending of a sample of 25 randomly-selected professors will exceed $102.5 is 0.0918.

5 0
3 years ago
In 1875 an estimated twelve-and-a-half trillion locusts appeared in Nebraska.Write the number of locusts in scientific notation.
oksano4ka [1.4K]

Answer:

12.5 x 10^12

Step-by-step explanation:

12,500,000,000,000

12 zeroes following 12.5

3 0
3 years ago
There are 32 peanuts in a bag. Elliott takes 25% of peanut from the bag. Then Zaire fakes 50% of the remaining peanuts. How many
Novosadov [1.4K]

the answer is 12 peanuts!!





hope this helps

xx

3 0
3 years ago
Read 2 more answers
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