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kherson [118]
3 years ago
5

The mean of a set of normally distributed data is 600 with a standard devastation of 20. What percent of data is between 580 and

620
Mathematics
1 answer:
yuradex [85]3 years ago
3 0

Answer: 68%

Step-by-step explanation:

You might be interested in
You have 3 online accounts in three different banks valued at: bank "A" = $250.67, 12% interest, bank "B" $765.13, 7% interest,
gregori [183]

Answer:

\$882.89

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

Bank A

t=1\ years\\ P=\$250.67\\r=12\%=12/100=0.12

substitute in the formula above

I=250.67(0.12*1)=\$30.08

Bank B

t=1\ years\\ P=\$765.13\\r=7\%=7/100=0.07

substitute in the formula above

I=765.13(0.07*1)=\$53.56

Bank C

t=1\ years\\ P=\$28,500.36\\r=9\%=9/100=0.09

substitute in the formula above

I=28,500.36(0.09*1)=\$2,565.03

Find the average interest gained from the three accounts in one year

[\$30.08+\$53.56+\$2,565.03]/3=\$882.89

3 0
3 years ago
5(4+3√24-5(8+9÷3)³<br>ayuds​
vichka [17]

Answer: -33255 + 30\sqrt{6}

Step-by-step explanation:

6 0
2 years ago
Given f(x) = 4x3 − 12x2 + 40x + 12, find f(–2). A) f(–2) = –52 B) f(–2) = –96 C) f(–2) = –108 D) f(–2) = –148
AURORKA [14]

Given function : f(x) = 4x^3 -12x^2 + 40x + 12.

We need to find the values of f(-2).

In order to find the value of f(-2), we need to plug x=-2 in the given fucntion f(x) = 4x^3 -12x^2 + 40x + 12.

Replacing x by -2, we get

f(-2) = 4(-2)^3 -12(-2)^2 + 40(-2) + 12

We get (-2)^2 = -2 *-2*-2=-8 and (-2)^2 = -2 * -2 = 4.

f(-2) = 4(-8) -12(4) +40(-2) +12 .

f(-2) = -32 -48 -80+12.

f(-2) = -160 +12.

f(-2) = -148.

Therefore, correct option would be option D. That is  f(-2)=-148.                



8 0
3 years ago
Right answer gets brainlist
Vladimir [108]

105 i think nvm not corrupted picture

4 0
3 years ago
Write an equation in slope intercept form for the line thepasses through (-1,-6) and is parallel to x+3y=6
enot [183]

Answer:

The slope-intercept form equation of the line that passes through (1, 3) and (3, 7) is y = 2x +1.

Step-by-step explanation:

7 0
2 years ago
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