Answer:
0.3333 = 33.33% of this group likes chocolate
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is
In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
Of the friends who like sprinkles, what proportion of this group likes chocolate:
So,
Event A: Likes sprinkles
Event B: Likes chocolate
15% of your friends like sprinkles (S) topping.
This means that
5% of your friends like Chocolate (C) and also like sprinkles (S).
This means that
So
0.3333 = 33.33% of this group likes chocolate
Most likely it will be 19 out of 21 games if it is wrong sorry.
Say the denominators then I might be able to help u
Answer:
Step-by-step explanation:
The confidence interval for the difference of two population proportion is given by :-
Given :
The proportion of students in the first sample replied that they turned to their mother rather than their father for help. =
The proportion of students in the second sample replied that they turned to their mother rather than their father for help. =
Significance level :
Critical value :
Now, the 98% confidence interval for will be :-
Hence, the 98% confidence interval for is