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borishaifa [10]
3 years ago
7

Find+the+z-scores+that+separate+the+middle+69%+of+the+distribution+from+the+area+in+the+tails+of+the+standard+normal+distributio

n
Mathematics
1 answer:
Tatiana [17]3 years ago
4 0

Answer and Explanation:

1 - 0.69/ 2 = 0.155

0.155 = -1.02

(-1.02, 1.02) = z

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Y=+/ (square root sigh) 346
AnnyKZ [126]
= 18.60108 that’s the answer
6 0
4 years ago
A common inhabitant of human intestines is the bacterium Escherichia coli, named after the German pediatrician Theodor Escherich
grandymaker [24]
A.) P(t) = P0exp(kt)
P(20/60) = 40 exp(20k/60)
80 = 40 exp(k/3)
exp(k/3) = 80/40 = 2
k/3 = ln(2)
k = 3ln(2)

b.) P(8) = 40(2)^24 = 40(16777216) = 671088640 cells

d.) Rate of change = exp(8k) = exp(8(3ln(2)) = exp(24ln(2)) = exp(16.6355) = 16777216 cells / hour

e.) P(t) = 40(2)^3t; t in hours
1,000,000 = 40(8)^t
25,000 = 8^t
ln(25,000) = t ln(8)
t = ln(25,000)/ln(8) = 4.87 hours
8 0
4 years ago
Read 2 more answers
F(x)=-x^2-4x+13 find f(3)
Masja [62]

Answer:

10

Step-by-step explanation:

-(3)^2 - 4(3) + 13

9-12+13

10

5 0
4 years ago
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While waiting for a video game to download, you notice that
salantis [7]
Find out the how many kilobytes have been downloaded so far .
To prove
As given
While waiting for a video game to download.
notice that 30 percent of 32000 kilobytes have been downloaded so far .
30% is written in the decimal form.

= 0.30
kilobytes uses in downloaded = 0.30 × 32000
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Therefore 9600 kilobytes have been downloaded so far .
7 0
3 years ago
Which expression is equivalent -4×4×4×4×4×4×4×4?<br>​
WITCHER [35]

Answer:

-\underbrace{4\times4\times4\times4\times4\times4\times4\times4}_{8}=-4^8

4 0
3 years ago
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