mrs bean bought a business at the start of 2006 the business was then valued £30000 Since Mrs Beans takeover, the business gas c
1 answer:
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Answer:
Initial Fee is $2.
Step-by-step explanation:
Given:
Stops Price (dollars)
3 6.50
7 12.50
11 18.50
Also Given:
The price of a train ticket consists of an initial fee plus a constant fee per stop.
So let the Cost of initial fee be 'x'.
Also Let the Cost of Constant fee be 'y'.
Now Equation can framed as;
Now According to table;
Number of stops = 3
Price = 6.50
So equation can be framed as;
Also According to table;
Number of stops = 7
Price = 12.50
So equation can be framed as;
Now Subtracting equation 1 from equation 2 we get;
Substituting the value of y in equation 1 we get;
Hence Initial Fee is $2.
Answer:
a) The observed proportion of wallets that were returned
p = 0.45625
b) <em> 95% of confidence intervals for Population proportion</em>
<em> 0.40168 , 0.51082)</em>
<em>c) The lower bound of the 95% confidence interval = 0.40168</em>
<em>d) The upper bound of the 95% confidence interval = 0.51082</em>
Step-by-step explanation:
<u><em>Step(i)</em></u>:-
a)
Given data the researchers left a total of 320 wallets around Edinburgh, as though the wallets were lost. Each contained contact information including an address. Of the wallets, 146 were returned by the people who found them
Given sample size 'n' = 320
Given data 'x ' = 146
<em>Sample proportion </em>
<u><em>Step(ii)</em></u>:-
b)<em> </em><u><em>95% of confidence intervals for Population proportion</em></u>
Level of significance = 95% or 0.05%
<em>95% of confidence intervals for Population proportion are determined by</em>
<em></em><em></em>
<em></em><em></em>
<em>(0.45625 - 0.05457 , 0.45625 + 0.05457)</em>
<em>( 0.40168 , 0.51082) </em>
<em>c) The lower bound of the 95% confidence interval = 0.40168</em>
<em>d) The upper bound of the 95% confidence interval = 0.51082</em>