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Dmitrij [34]
3 years ago
14

A survey of pet owners found that on average, they spend $1,225 annually per pet, with a standard deviation of $275. Between whi

ch two amounts would you expect 95% of the survey’s respondents to spend annually per pet if the sample is approximately normal and comes from a normally distributed population? $675 and $1,500 $675 and $1,775 $950 and $1,500 $950 and $1,775
Mathematics
2 answers:
earnstyle [38]3 years ago
8 0

Answer:

B.$675 and $1,775

Step-by-step explanation:

seropon [69]3 years ago
4 0

Answer:

b. $675 and $1,775

Step-by-step explanation:

right on edge

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What is the surface area of the regular pyramid given below?
yuradex [85]

For this case we have by definition, that the total surface area of a regular pyramid with a square base is given by:

SA = \frac {1} {2} p * S + A_ {b}

Where:

p: It is the perimeter of the base

S: It's the inclination

A_ {b}: It is the area of the base

Substituting:

A_ {b} = 7 ^ 2 = 49units ^ 2\\p = 7 + 7 + 7 + 7 = 28units\\S = 10units\\SA = \frac {1} {2} 28 * 10 + 49\\SA = 140 + 49\\SA = 189 \ units ^ 2

ANswer:

Option B

3 0
4 years ago
A large candle costs $5, and a small candle costs $3. What is the club’s profit?
lions [1.4K]
Is there more to the question? I’m confused on the content. Maybe a chart you forgot to post or something
4 0
2 years ago
What is the average rate of change for f(z) = -2z^2 - 12z -19 over the interval [ -4, -2 ]?
marusya05 [52]

Answer:

Average rate of change = 0

Step-by-step explanation:

f(z) = -2z^2 - 12z - 19

a = -4 and b = -2

[f(b) - f(a)] / (b-a)

[-2(-2)^2 - 12(-2) -19] - [-2(-4)^2-12(-4)-19] / (-2 -(-4))

(-8+24-19) - (-32+48-19) / 2

(-8+24-19+32-48+19) / 2 = 0/2

6 0
3 years ago
Given an exponential function for compounding interest A(x)= P(.82)^x what is the rate of change
Katena32 [7]

Answer:

For the answer to the question above, it is -18% because to find rate we subtract the rate, in this case, is .82 or 82% - 1 or 100% and that would give you the rate, in this case, its decreasing by an 18%

-Hope this helps<3

3 0
3 years ago
Engli
posledela

Answer:

x=2/3

Step-by-step explanation:

-3x+4=2

-3x=-2

x=2/3

4 0
3 years ago
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