# Statics

posted by .

You wish to test whether or not a coin is fair, so you toss it 400 times and obtain 220 heads. Test the null hypothesis that the coin is fair and balanced against the alternative that it is not fair and balanced. Use the 1% significance level. Be sure to identify the null and alternative hypotheses, identify the appropriate distribution and indicate the tail(s) for the critical region, identify and calculate the test statistic, determine the P-value, make a decision and state a conclusion.

## Similar Questions

1. ### Data Management Help!

A coin was tossed 1000 times in an experiment to decide whether it really had an equal chance of coming up heads or tails. The decision was made in advance to declare the coind NOT FAIR if the observed outcome of the experiment had …
2. ### Data management

A coin was tossed 1000 times in an experiment to decide whether it really had an equal chance of coming up heads or tails. The decision was made in advance to declare the coind NOT FAIR if the observed outcome of the experiment had …
3. ### Math

Would you be more likely to get at least 70% tails if you flip a fair coin 10 times or if you flip a fair coin 1000 times?
4. ### Probability

You toss a fair coin four times. Find the probability of no more than three heads given that at least one toss resulted in heads. Thank you very much!!
5. ### Math Problem ( 6th grade math)

Brandon tosses a coin 500 times. The coin lands on tails 320 times. A: What is the experamental probability of getting heads?
6. ### Finite Math

John has three coins in his pocket. One is fair, one has two heads, and the third is unbalanced, showing head 60% of the time. John grabs a coin at random and tosses it. Find the probability that: 1) The coin shows a head 2) The coin …
7. ### maths

Suppose there are 10 coins laid out in front of you. All of the coins are fair (i.e. have an equal chance of heads or tails) except one, which flips to heads every time. You draw one coin at random and flip it 5 times. If each of the …
8. ### math

a fair coin is tossed in the air 4 times. if the coin lands heads up the first three tosses, what is the probability the coin will land heads up the fourth toss?
9. ### Stats

There are 21,000 students in a MOOC. Each student tests the fairness of a coin (yes, the same coin; the instructor somehow gets Tyche¢s help in getting the coin to each student in turn). Specifically, each student tests: Null: p is …
10. ### science

A coin will be tossed 15 times, and I have to decide whether it lands heads with chance 0.6 or 0.3. I’ll test the hypotheses Null: p = 0.6 Alternative: p = 0.3 1. First, I will use a simple decision rule: if fewer than half the tosses …

More Similar Questions