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Tanya [424]
3 years ago
12

A national charity contacted 100

Mathematics
1 answer:
Stels [109]3 years ago
3 0

Answer:

c. The mean of all sample proportions of those who make a donation from all random samples of 100 people contacted by phone is 0.05.

Step-by-step explanation:

If this is the same question I had then this would be the correct answer, hope this helps!

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He table shows the number of bathrooms in some selected houses and apartments.
lakkis [162]
Percent is amount/ total #×100
44+18= 62 which is the total amount of apartments
44/62 have 1 bathroom 44/62×100=71%
18/62 has 2 bathrooms = 18/62×100=29%

6 0
4 years ago
Read 2 more answers
the length of a rectangle is 3 times the width. The perimeter is 44 cm. What are the dimensions of the rectangle?
Gnom [1K]
Hello there
We can say that,
The length = 3u
The width= 1u
3u + 1u +3u +1u= 44cm
8u= 44cm
1u= 44cm / 8
    = 5.5cm
Length= 5.5 cm x 3
           =16.5 cm
Width= 5.5 cm

Hope this helps :))

~Top

 
8 0
4 years ago
Read 2 more answers
a monument casts a 40-foot shadow. Adam is 6 feet tall and casts a 5-foot shadow. How tall is the monument
Stolb23 [73]
This is a proportion problem. Let the monument me x feet tall.
40/x=5/6
Cross multiply:
240=5x
x=48 ft.
So the monument is 48 ft tall,  
4 0
3 years ago
Read 2 more answers
Identify the percent of change as an increase or a decrease. Then find the percent of change. Round to the nearest tenth of a pe
Aleksandr-060686 [28]
42.5/68
=0.625x100
=62.5%

7 0
3 years ago
Find which term in the geometric sequence 1,3,9,27,... is the first to exceed 7,000.
Zielflug [23.3K]

The common ratio between terms is 3, so the sequence has general n-th term

a_n=3^{n-1}

for n\ge1. The term exceeds 7000 when

3^{n-1}>7000\implies n-1>\log_37000\implies n>1+\log_37000\approx9.06

which means the first time a_n exceeds 7000 occurs when n=10. Indeed,

a_{10}=3^{10-1}=19,683

while the previous term would have been

a_9=3^{9-1}=6561

8 0
4 years ago
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