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WARRIOR [948]
3 years ago
15

If we know that the length of time it takes a college student to find a parking spot in the library parking lot follows a normal

distribution with a mean of 3.5 minutes and a standard deviation of 1 minute, find the probability that a randomly selected college student will take between 2 and 4.5 minutes to find a parking spot in the library parking lot.
Mathematics
1 answer:
stich3 [128]3 years ago
5 0
If there is an answer c then pick that one for sure
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Pls help easy math will give brainlest
inysia [295]

Answer:

See below ~

Step-by-step explanation:

<u>Problem 9</u>

  • h(1/8) = 3(1/8) + 1/4
  • h(1/8) = 3/8 + 2/8
  • h(1/8) = <u>5/8</u>

<u></u>

<u>Problem 10</u>

  • Q(k) = k - 3 / 2
  • -4 = k - 3 / 2
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7 0
2 years ago
Read 2 more answers
Ellen is downloading a file. After 2 minutes, there are 38.4 megabytes left to download. After 8 minutes, there is only 9.6 mega
atroni [7]
Find the average download rate.
(38.4 - 9.6) / (2-8) = -4.8 mb/min

that means in the first 2 min she had downloaded 2(4.8)  = 9.6 mb

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7 0
4 years ago
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Find all numbers that satisfy the given condition. 1. Three less than twice the sum of a number and 6 is at most 13. 2. Five les
Dmitriy789 [7]

Number be x

#1

\\ \sf\hookrightarrow 2(x+6)-3\leqslant=13

#2

\\ \sf\hookrightarrow 3(x+4)-5\leqslant 10

#3

\\ \sf\hookrightarrow 5(x+3)\geqslant 5

#4

\\ \sf\hookrightarrow 3(x-2)\leqslant 12

#5

\\ \sf\hookrightarrow 2\leqslant 3x+8\leqslant 20

#6

\\ \sf\hookrightarrow -20\leqslant 2x-8\leqslant -8

#7

\\ \sf\hookrightarrow -4\leqslant 3x-4\leqslant 14

5 0
3 years ago
Approximately 1.9 million primes of a certain type are reported to the place every year
zhannawk [14.2K]

I suspect that you might mean 'crimes' and 'police'.  If that's the case,
then what we have here is a sentence that has not been proofread
for errors, and doesn't ask any question. I'm not going to worry about it.

8 0
3 years ago
Multiply and simplify the following complex numbers? (4- 2i).(-5 +4i)
Ronch [10]

Answer:

-12 +26i

Step-by-step explanation:

Multiple using the FOIL Method, then combine the real and imaginary parts of the expression.

Thanks for letting me answer your question! If you have any more questions feel free to ask me! Have a nice day and please consider making me Brainliest!

7 0
3 years ago
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