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asambeis [7]
3 years ago
9

On average, who spends more money on Prom? Forty-two senior girls and thirty-nine senior boys were asked how much they plan on s

pending on prom this spring.
1 proportion z-test

2 proportion z-test

1 sample t-test

2 sample t-test

Paired t-test

1 proportion z-interval

2 proportion z-interval

1 sample t-interval

2 sample t-interval

Paired t-interval

?
Mathematics
1 answer:
blagie [28]3 years ago
4 0

Answer:

Yo I think we're in the same class.... wish i knew the answer lol

Step-by-step explanation:

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A survey asked a group of adults and youths if they prefer reading books printed on paper or electronic books.
babymother [125]

Answer:

Find the percent of the youths surveyed prefer reading printed books

We know that

38 youths like reading book preference

Total = Book Preference+Print Electronic

=35+38=73

Percentage=38/73 × 100%= 52%

4 0
3 years ago
The diagram shown is two intersecting lines. The measure of 5 is 47°.
Bingel [31]

Answer:

a) 37º

b) 143º

c) 2x - 5 = 143

Step-by-step explanation:

a) Angles 5 and 7 are vertical angles and therefore have the same measurements.

b) Angles 5 and 6 form a straight line and are therefore supplementary (add up to 180º). 180 - 37 = 143.

c) We found the measure of angle 6 is 143º in part b. We can set that equal to 2x - 5. Therefore the equation is 2x - 5 = 143.

5 0
2 years ago
What is the range of f(x)=15(1/3)^x
wel

Answer:

(0,inf)   {y║y>0}

Step-by-step explanation:

8 0
3 years ago
8x+2>34????????????????????????????????????????????????????
joja [24]

Answer:

answer is 4

Step-by-step explanation:

because you take away the 2 to isolate the 8x and then after that you just divide the 32 by 8 which gives you 4

I hope this helps!!

5 0
3 years ago
Nao and Arban drive to work. Nao drives 95 miles in 2.5 hours. Arban drives 128 km in 1 hour 15 min. Work out the difference bet
statuscvo [17]

Answer:

Nao = 95/2.5 = 38 miles per hour

15 min x (1 hour / 60 min) = .25

Arban  =  128 km x (1 mile / 1.6 km) / 1.25 hour = 64 miles per hour

Step-by-step explanation:

4 0
3 years ago
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