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vekshin1
3 years ago
15

researchers are conducting a survey about what brand of ice cream shoppers prefer. they survey the tenth person who walks into t

he store and then every fifth person after that. this type of sampling is called__________
Mathematics
2 answers:
MrMuchimi3 years ago
7 0

Answer:

<em>systematic</em> random sampling


RoseWind [281]3 years ago
6 0
The store is conducting random sampling.
You might be interested in
Sergio has ppp paintings in his art collection. He and other local painting collectors agreed to donate a total of 484848 painti
MrMuchimi

Answer:

Total paintings Sergio have in his art collection after his donation = p - 4

Step-by-step explanation:

P.S - The exact question is -

Given -Sergio has p paintings in his art collection. He and other local painting collectors agreed to donate a total of 48 paintings to the local museum. Each of the 12 collectors will donate the same number of paintings.

To find - How many paintings will Sergio have in his art collection after his donation ?

Proof -

Given that,

Total collectors = 12

Total painting that has to denote = 48

⇒12 collectors donate paintings = 48

⇒1 collector donate painting = \frac{48}{12} = 4 paintings

∴ we get

Each collector donate paintings = 4

⇒Sergio donate total paintings = 4

Now,

Total pictures Sergio have = p

After donating,

Total left paintings = p - 4

∴ we get

Total paintings Sergio have in his art collection after his donation = p - 4

7 0
3 years ago
A GE Lightbulb is suppose to last for 1200 hours. In fact light bulbs of this type last only 1,185 hours with a standard deviati
Andre45 [30]
This can be solved using the formula for t test which is = x - mu over standard deviation divided by the square root of the number of samples. In this case, it is 1185 - 1200 over 70 divided by square root of 100 which give us a value of 2.14 which is equal to .9839 in area. Only rarely, just over one time in a hundred tries of 100 light bulbs, would the average life exceed 1200 hours.
8 0
3 years ago
Find m∠U.<br> Write your answer as an integer or as a decimal rounded to the nearest tenth.
Elodia [21]

Answer:

56.4°

Step-by-step explanation:

sin(5/6)

= 0.98511 rad = 56.443°

5 0
2 years ago
Help Please?! I don’t know how to do this
Fofino [41]

Domain 0≤x≤12   this means the domain (x values) are between x=0 and x=12 and you started measuring the degree of temperature starting at a time of 0 and stopped measuring the temperature at a time of 12 hours


Range -4≤y≤4   this means the range (y values) are between y=-4 and y=4. The range is referring to the degree in celcius based on what time you measured it


Hope this helps!

6 0
3 years ago
The volleyball team and the wrestling team at Stamford High School are having a joint car wash today,
Sedbober [7]

Answer:

Money raised by each team = 94 + 11 = <em>$105</em>

Number of cars washed = <em>11</em>

Step-by-step explanation:

Money already present with volleyball team = $50

Money raised by washing each car by volleyball team = $5

Let the number of cars washed = x

Money raised by washing cars = $5x

Money already present with volleyball team = $94

Money raised by washing each car by volleyball team = $1

Money raised by washing cars = $1x = $x

Given that, both the teams have raised same amount of money:

50+5x=94+x\\\Rightarrow 44=4x\\\Rightarrow x=11

Money raised by each team = 94 + 11 = <em>$105</em>

Number of cars washed = <em>11</em>

4 0
3 years ago
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