Statistical analysis

I am trying to determine sample size or duration to observe 2 normal-car drivers converting to electric vehicles.

Input Data

-The current population size of all car drivers is 20 million

-A car driver replaces their car on average every 7 years.

-The time it takes, from deciding to buy a replacement car to purchasing a new car, is 16 weeks.

-The current population size of electric car drivers is 100,000

Required output

-For a sample size of 250 car drivers, what is the duration for 2 new electric vehicle drivers to appear (with 90% confidence interval) ?

-Over a duration 6 months what is the sample size required for 2 new electric vehicle drivers to appear (with 90% confidence interval) ?

Please supply calculation steps to allow changes to input date.


Evner: Statistikker, Statistisk analyse

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Om arbejdsgiveren:
( 3 bedømmelser ) Basingstoke, United Kingdom

Projekt ID: #22838642

13 freelancere byder i gennemsnit £18 på dette job



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Having Masters in computer science and Mphill in statistics. I am a professional Data analyst. I already done more then 150 Statistical analysis projects in my career by using different tools like: R programming, SP Flere

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A statistician with 2+ years of experience in statistical modeling, BI reporting, data mining and data visualization on structured and unstructured data to derive predictive business insight. Technology Stack: SPSS ST Flere

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