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lora16 [44]
3 years ago
12

Ben sat outside his school in cambridge and made a note of the colour of the first 100 cars that passed 27 of the cars were red.

In britain there are around 35 million cars on the road. Use Ben,s findings to give an estimate of how many cars on the road are red
Mathematics
2 answers:
Alisiya [41]3 years ago
8 0

Answer:

Based on the information 9,450,000 cars in Britain are red

Step-by-step explanation:

27 out of 100 = 27% = 0.27

35,000,000 * 0.27 = 9,450,000

SSSSS [86.1K]3 years ago
7 0

Answer:

9,450,000

Step-by-step explanation:

27 ÷100=0.27

35million * 0.27

=9,450,000

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3 years ago
Help!! Asappp!! please​
kotykmax [81]

Answer:

C

Step-by-step explanation:

you add 15 and 10 witch gets you 25 and then you add 3 for the students that don't play either witch gets you 28 and then subtract 28 from 32, or just count up from 28 to 32 but you get the same answer.

4 0
2 years ago
A factory employs several thousand workers, of whom 35% are Hispanic. If the 17 members of the union executive committee were ch
Elza [17]

Answer:

as p decreases, sigma decreases.

Step-by-step explanation:

Given that 35%are hispanic. For a sample of 17 members

n = 17

p = 0.35

and the number of Hispanics on the committee would have the binomial distribution

a) Mean of X = E(x) = np = 17(0.35)\\= 5.95

b) Std dev X = \sqrt{npq} =\sqrt{5.95(0.65)} \\=1.9665

c) Here n =17 and p =0.1

Mean = 1.7\\\sigma = \sqrt{17(0.1)(0.9)} =1.234

d) When p = 0.01

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8 0
3 years ago
Julie wants to purchase a new home in six years. She thinks that she can purchase a nice home in a good neighborhood for $60,000
MrMuchimi

Answer:

$208.33

Step-by-step explanation:

Julie has to make the down payment which is 25% of $60000 after saving for 6 years.

Therefore, Julie has to save a total of 60000 \times \frac{25}{100} = 15000 dollars.

And Julie has to save it for the duration of 6 years i.e. (6 × 12) = 72 months.

Hence, Julie has to save \frac{15000}{72} = 208.33 dollars every month to make the down payment after 6 years. (Answer)

7 0
3 years ago
If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the objec
SVETLANKA909090 [29]

Answer

Find out the what is the acceleration of the object .

To prove

Formula

Acceleration = \frac{Final\ velocity - Intial\ velocity}{Time }

Where

t = the time in which the change occurs

As given

If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s .

Final velocity = 98 m/s  

Intial velocity = 65 m/s

Time = 12 s

Put in the formula

Acceleration = \frac{98 - 65}{12}

Acceleration = \frac{33}{12}

Acceleration = 2 .75 m/s ²

Option (A) is correct .




7 0
3 years ago
Read 2 more answers
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