Mathematics, 23.12.2019 23:31 ajj3233
Agroup of friends are going to see the newest action movie. the price of a ticket is $6.25. as a group, they spent $12 on refreshments. if they spent a total of $30.75 on tickets and refreshments, how many people went to the movies?
Answers: 2
Mathematics, 21.06.2019 16:30
Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26â34 pounds approximately 24â36 pounds approximately 28â32 pounds approximately 29â31 pounds
Answers: 1
Mathematics, 21.06.2019 16:50
The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left
Answers: 1
Mathematics, 21.06.2019 18:30
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.
Answers: 1
Mathematics, 22.06.2019 01:30
Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?
Answers: 1
Agroup of friends are going to see the newest action movie. the price of a ticket is $6.25. as a gro...
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