Use the following information to answer the question. According to the website ww.costofwedding.com, the average cost of flowers for a wedding is $698. Recently, in a random sample of 40 weddings in the U.S. it was found that the average cost of the flowers was $734, with a standard deviation of $102. On the basis of this, a 95% confidence interval for the mean cost of flowers for a wedding is $701 to $767.

Choose the statement that is the best interpretation of the confidence interval.

a) We are extremely confident that the mean cost of flowers at a wedding is between $701 and $767.

b) In about 95% of all samples of size 40, the resulting confidence interval will contain the mean cost of flowers at weddings.

c) That probability that flowers at a wedding will cost less than $767 is nearly 100%.

d) That probability that the flowers at a wedding will cost more than $698 is greater than 5%.

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