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Stolb23 [73]
3 years ago
13

Can’t pls help me with this question

Mathematics
1 answer:
mixer [17]3 years ago
6 0

Answer:

Let

Total number of people (T)=1600

those satisfied with the car (t) =720

The percentage of the satisfied people(S)= number of satisfied people divided by the total number of people who took part in the survey, multiplied by 100

=> S=(T/t)*100

S=(720/1600)*100

S=45%

Step-by-step explanation:

You might be interested in
Suppose a manufacturer finds that 95% of their production is normal but the final 5% has one or more flaws. Each flawed good has
RUDIKE [14]

Answer:

1)    

FLAW                         TYPE2         NO TYPE2 FLAW

TYPE1                         0.015           0.025

NO TYPE1 FLAW        0.01             0.95

2) 0.04 and $0.04

3) 0.025 and $0.025

4) 0.015 and $0.015

5) 0.95 and $0.95

Step-by-step explanation:

Given that;

financial cost = $1

p(flaw) = 0.05  

p(type 1 flaw / flaw) = 80% = 0.8

p(type 2 flaw / flaw) = 50% = 0.5

p( type 1 and 2 flaw/flaw) = 30% = 0.30

1) Bivariate Table

p( type 1 flaw) = p(flaw) × p(type 1 flaw/flaw) = 0.05 × 0.8 = 0.04

p( type 2 flaw) = p(flaw) × p(type 2 flaw/flaw)  = 0.05 × 0.5 = 0.025

p( type 1 and 2 flaw) =  p(flow) × p( type 1 & 2 flaw/flaw) = 0.05 × 0.3 = 0.015

p( only 1 flow) = 0.04 - 0.015 = 0.025

p( only 2 flow) =  0.025 - 0.015 = 0.01

THEREFORE  the Bivariate Table;

FLAW                         TYPE2         NO TYPE2 FLAW

TYPE1                         0.015           0.025

NO TYPE1 FLAW       0.01              0.95

2) probability and expectations of type 1 flaw?

p( type 1 flaw) = p(flaw) × p(type 1 flaw/flaw) = 0.05 × 0.8 = 0.04

Expected financial cost to the firm per good = $1 × 0.04 = $0.04

3)  probability and expectation of Type 2 flaw

p( type 2 flaw) = p(flaw) × p(type 2 flaw/flaw)  = 0.05 × 0.5 = 0.025

Expected financial cost to the firm per good = $1 × 0.025 = $0.025

4) probability and expectations of Type 1 and 2 flaws

p( type 1 and 2 flaw) =  p(flow) × p( type 1 & 2 flaw/flaw) = 0.05 × 0.3 = 0.015

Expected financial cost to the firm per good = $1 * 0.015 = $0.015

5) probability and expectations of no flaws?

Probability of no flaw = P(No flaw) =95% =  0.95

Expected financial cost saved the firm per good due to no flaw

= $1 × 0.95 = $0.95

5 0
4 years ago
If 3x + 6y = 7z, find x + 2y in terms of z.
o-na [289]

Answer:

Does the answer help you?

3 0
3 years ago
An engineer want to fill a 2m height cylindrical with concrete if the radius of concrete is0.5m, how much of volumn of concrete
lina2011 [118]

Answer:

v=20h 2(314)(o.5m) 2m= 6.28m3

Step-by-step explanation:

3 0
2 years ago
5n - 6
stich3 [128]

Answer:

1'/4

Step-by-step explanation:

perimeter of a triangle is a + b + c

15 = 5n+n+2n-6+1

15 = 8n - 5

15 - 5 = 8n

10 = 8n

n = 10/8

n = 1'/4

3 0
3 years ago
CAR RENTAL. Angela rented a car for $29.99 a day plus a one time insurance cost of $5.00. Her bill was $124.96. For how many day
Andru [333]
D=days

29.99d + 5= 124.96

29.99d= 124.96-5

29.99d= 119.96

D= 119.96/29.99

D= 4

Angela rent the car for 4 days. Hope this helps!
4 0
4 years ago
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