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svet-max [94.6K]
3 years ago
13

A company that makes​ hair-care products had 5,000 people try a new shampoo. Of the 5,000 ​people, 10 had a mild allergic reacti

on. What percent of the people had a mild allergic​ reaction?
Write the percent proportion.
10
5,000=
pls hurry
Mathematics
2 answers:
Margarita [4]3 years ago
4 0

Answer:

0.002%

Step-by-step explanation:

10/5,000 = 0.002

Hope this helps!

avanturin [10]3 years ago
4 0

\\ \sf\Rrightarrow \dfrac{10}{5000}\times 100

\\ \sf\Rrightarrow \dfrac{2}{1000}

\\ \sf\Rrightarrow 0.002\%

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Researchers recorded the speed of ants on trails in their natural environments. The ants studied, Leptogenys processionalis, all
posledela

This question is Incomplete

Complete Question

Researchers recorded the speed of ants on trails in their natural environments. The ants studied, Leptogenys processionalis, all have the same body size in their adult phase, which made it easy to measure speeds in units of body lengths per second (bl/s). The researchers found that, when traffic is light and not congested, ant speeds vary roughly Normally, with mean 6.20 bl/s and standard deviation 1.58 bl/s. (a) What is the probability that an ant's speed in light traffic is faster than 5 bl/s? You may find Table B useful. (Enter your answer rounded to four decimal places.)

Answer:

0.7762

Step-by-step explanation:

We solve using z score formula

z = (x-μ)/σ, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

Population mean = 6.20 bl/s

Standard deviation = 1.58 bl/s.

x = 5 bl/s

z = 5 - 6.20/1.58

z = -0.75949

The probability that an ant's speed in light traffic is faster than 5 bl/s is P( x > 5)

Probability value from Z-Table:

P(x<5) = 0.22378

P(x>5) = 1 - P(x<5)

= 1 - 22378

= 0.77622

Approximately to 4 decimal places = 0.7762

The probability that an ant's speed in light traffic is faster than 5 bl/s is 0.7762

5 0
3 years ago
You get your hair done for $56.00 and you tip the hairdresser 20%. How much is your tip? 
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You get your hair done for $56.00 and you tip the hairdresser $20.00(D)

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Answer:

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Suppose I pick a jelly bean at random from a box containing eight red and four blue ones. I record the color and put the jelly b
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I am not sure about this but in my opinion it would be 32 sorry if It's wrong. I hope this helped! :)
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