Using python programming language i.e. (Anaconda - Jupyter )According to a study exactly 12 % of gift cards purchased fr
Posted: Wed Apr 27, 2022 3:50 pm
Using python programming language i.e. (Anaconda - Jupyter
)According to a study exactly 12 % of gift cards purchased from
e-commerce portals are never used. The manager of an e-commerce
company wanted to test whether this claim is true. She collected
data of 250 gift card purchases and found that 22 gift cards were
not used till its expiry date.
(a) Conduct an appropriate hypothesis test at 5% significance to
check whether the claim that exactly 12% gift cards are never used
is true or not.
(b) Calculate the 95% confidence interval for the proportion of
gift cards that are not used.
)According to a study exactly 12 % of gift cards purchased from
e-commerce portals are never used. The manager of an e-commerce
company wanted to test whether this claim is true. She collected
data of 250 gift card purchases and found that 22 gift cards were
not used till its expiry date.
(a) Conduct an appropriate hypothesis test at 5% significance to
check whether the claim that exactly 12% gift cards are never used
is true or not.
(b) Calculate the 95% confidence interval for the proportion of
gift cards that are not used.