In Luigi’s restaurant, on average 1 in 10 people order a bottle of Chardonnay. Out of a sample of 50, 11 chose Chardonnay. Has the drink become more popular? Test at the 1% level of significance.
In Luigi’s restaurant, on average 1 in 10 people order a bottle of Chardonnay. Out of a sample of 50, 11 chose Chardonnay. Has the drink become more popular? Test at the 1% level of significance.
