Suppose a research firm conducted a survey to determine the average amount of money steady smokers spend on cigarettes during a week. a sample of 100 steady smokers revealed that the sample mean is $20 and the sample standard deviation is $5. what is the probability that a sample of 100 steady smokers spend between $19 and $21?
answer
0.4772
0.0228
0.9544
$20

i think there was a typo. you wrote pat brings 3 quarts of ice-cream to the party. each serving of ice-cream is 1 6 quart. how many total servings of ice-cream does pat bring to the party? i think the bold is supposed to be 1/6. so 1 quart of ice cream = 6 servings. 6 * 3 = 18.

step-by-step explanation:

what does 'mandy have ben 780 bottle caps. ' mean?

one fourth of 9% = 2.25%

gavin is correct in saying : the equivalent quarterly interest rate would be

2.25%.

12 cups   is the answer

step-by-step explanation: