Posted by **Naveen** on Friday, December 9, 2011 at 7:31am.

Eight coins are tossed at a time,256 times Number of heads observed at each throw is recorded and the results are given below. Find the expected frequencies What are the theoretical values of main and standard deviation? Calculate also the mean the S.D. of the observed frequencies.

No. of heads at throw

0

1

2

3

4

Frequency

2

6

30

52

67

No. of heads at throw

5

6

7

8

Frequency

56

32

10

1

## Answer this Question

## Related Questions

- math answer check - Three coins are tossed, and the number of heads observed is ...
- Intro to probability - Two balanced coins are tossed. What are the expected ...
- stat - Three coins are tossed, and the number of heads observed is recorded. (...
- statistics - Five coins all balanced the same were tossed 150 times. Note that, ...
- Math - Ryder tossed two coins 50 times.He recorded two heads 11 times. A)what is...
- Math-Probability - Consider a collection of n biased coins, each showing Heads ...
- Math-Probability - Consider a collection of n biased coins, each showing Heads ...
- Math-Probability - Consider a collection of biased coins, each showing Heads ...
- math probabilty - Find the (theoretical) probability of the given event, ...
- math - Please check for me: Solve the questions below and identify them as ...

More Related Questions