Mathematics, 27.04.2021 15:00 kkeith121p6ujlt
In a survey, 18 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a sample mean of $47 and sample standard deviation of $3. Construct a confidence interval at a 90% confidence level.
Answers: 3
Mathematics, 21.06.2019 12:30
Anumber cube is rolled and a coin is tossed. the number cube and the coin are fair. what is the probability that the number rolled is less than 4 and the coin toss is tails?
Answers: 2
Mathematics, 21.06.2019 19:00
Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.
Answers: 1
Mathematics, 21.06.2019 20:30
Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left
Answers: 1
Mathematics, 21.06.2019 20:30
The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?
Answers: 2
In a survey, 18 people were asked how much they spent on their child's last birthday gift. The resul...
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