a-researcher-suspects-that-coin-flips-from-a-vending-machine-are-not-fair-in-202

Question

A researcher suspects that coin flips from a vending machine are not fair. In 2020 flips, there are only 55 heads. Use a two-tailed binomial test with α=0.05\alpha=0.05. Let 𝑛=20𝑛=20, p=0.5p=0.5, and use binomial critical values. What are the critical values for this test?

Accepted Answer

55 and 1515

Answer

1010 and 2020

Answer

55 and 1010

Answer

44 and 1616

A researcher suspects that coin flips from a vending machine are not fair. In 2020 flips, there are only 55 heads. Use a two-tailed binomial test with α=0.05\(\alpha\)=0.05. Let 𝑛=20𝑛=20, p=0.5p=0.5, and use binomial critical values. What are the critical values for this test?

A researcher suspects that coin flips from a vending machine are not fair. In $20$ flips, there are only $5$ heads. Use a two-tailed binomial test with $alpha equals 0.05$ . Let $n equals 20$ , $p equals 0.5$ , and use binomial critical values. What are the critical values for this test?