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Likurg_2 [28]
3 years ago
7

In order to estimate the percentage of campers at her camp that bring their lunch, Lori randomly surveys 85 of the 300 campers a

t her camp. She then calculates the percentage from her sample that bring their lunch.
Will this likely give an accurate estimate of this percentage?
Mathematics
1 answer:
Dmitrij [34]3 years ago
6 0
Yes! This would be accurate because she is, at random, selecting people to do the survey 
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You worked from 2:30pm - 8:45pm with a 1/2 hour lunch break your hourly wage is $7.50/hour how much did you earn
levacccp [35]
Find out how many hours you worked first.

2:30 pm-8:45 => 6:15 hours

But they say that you take a break of 1/2 hour 

6:15- 0:30= 5:45 hours 

Convert all the data into hours. 5 hours + 45/60 hours 

Multiply data with given hourly wage. 

5x$7.50=$37.5 

(45/60)x7.50=$5.625 

In total, you earn (37.5+5.625)=> $43.125

Hope I helped :) 
3 0
3 years ago
Read 2 more answers
PLZZ HELP
9966 [12]

An arithmetic sequence would have a common difference between successive terms, not the case here.

A geometric sequence has a common ratio; let's check:

\dfrac{1/2}{1/6} = 3

\dfrac{3/2}{1/2} = 3

\dfrac{9/2}{3/2} = 3

That's a common ratio of 3 so as far as we can tell a geometric sequence.

Answer: geometric

3 0
3 years ago
Read 2 more answers
Please solve with proper explanation please <br>​
hram777 [196]
The people planeted the trees are now dead so the trees maybe one of the sign of the symptoms that causes the non-fruit trees.or it can be defined by your own definitions.


Hope this helps
7 0
3 years ago
4(5n -7) =10+2 i need step by step explanation i dont get it
ser-zykov [4K]

Answer:

n=2

Step-by-step explanation:

4(5n-7)=10+2

1) First, distribute (multiply out 4)

20n-28=10+2

2) Combine like terms (add 10 and 2)

20n-28=12

3) Isolate the variable (Add 28 to 12)

20n=40

4) Isolate the variable (Divide by 20)

n=2

7 0
3 years ago
Teacher's salaries in Georgia are normally distributed with an average salary of $52,000 with a standard deviation of $12,000. W
suter [353]

Answer:

81.85%

Step-by-step explanation:

We have the following information:

mean = m = 52000

standard deviation = sd = 12000

a = 40000

b = 76000

we need to find the probability between a and b, that is:

P (a <x <b) = P (40,000 <x <76000)

P [(40000 - m) / sd <(x - m) / sd <(76000 - m) / sd]

replacing

P [(40000 - 52000) / 12000 <z <(76000 - 52000) / 12000]

P (-1 <z <2)

P (z <= -1) - P (z <= 2)

We look for this value of z, in the attached table:

0.9772 - 0.1587

P = 0.8185

In other words, the probability is 81.85%

8 0
3 years ago
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