7. A Washington Post article claims that 10% of adults worldwide are left-handed. A random sample of adults found 6 were left-handed and 94 were right-handed.

a. State the hypotheses and identify the claim.

b. Calculate the test statistic and p-value.

c. State your conclusion based on a 0.05 significance level. Explain what your conclusion means about the percentage of adults that are left-handed so someone outside of a statistics class can understand.