Question

**In a pickle** ~ There is a beautiful hill station
in India called ‘Kurseong’. Besides breathtaking views, this town
is also famous for its locally made spicy pickle called Tittira. A
random group of tourists from different parts of the world were
asked to taste Tittira and 19.61% of tourists said they liked it.
The estimated standard error of the sample proportion is
0.0421.

A normal distribution can be used to model the sampling distribution of sample proportion. The pickle salespeople wish to construct a 95% confidence interval for the actual proportion of tourists who like Tittira.

What is the upper bound for the 95% confidence interval? Give your answer to 4 decimal places.

Your Answer:

Answer #1

Solution :

Given that,

Point estimate = sample proportion = = 0.1961

Z_{}
= 1.645

Margin of error = E = Z_{
/ 2} *
((
* (1 -
)) / n)

= 1.645 * 0.0421

= 0.0693

Upper bound =
+ E = 0.1961 - 0.0693 = **0.1268**

In a pickle ~ There is a beautiful hill station in India called
‘Kurseong’. Besides breathtaking views, this town is also famous
for its locally made spicy pickle called Tittira. A random group of
tourists from different parts of the world were asked to taste
Tittira and 18.39% of tourists said they liked it. The estimated
standard error of the sample proportion is 0.0421. A normal
distribution can be used to model the sampling distribution of
sample proportion. The pickle...

There is a beautiful hill station in India called ‘Kurseong’.
Besides breathtaking views, this town is also famous for its
locally made spicy pickle called Tittira. A random group of 60
tourists from different parts of the world was asked to taste
Tittira and using the data, the estimated standard error of the
sample proportion of tourists who liked Tittira is calculated as
0.0632.
A normal distribution can be used to model the sampling
distribution of the sample proportion. The...

QUESTION 1
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