Mathematics, 23.12.2020 21:20 jessicascott120305
21) A consumer group was interested in comparing the operating time of cordless toothbrushes manufactured by two different companies. Group members took a random sample of 18 toothbrushes from Company A and 15 from Company B. Each was charged overnight and the number of hours of use before needing to be recharged was recorded. Company A toothbrushes operated for an average of 119.7 hours with a standard deviation of 1.74 hours; Company B toothbrushes operated for an average of 120.6 hours with a standard deviation of 1.72 hours. The 90% confidence interval is (-1.93, 0.13). The correct interpretation is
Answers: 2
Mathematics, 21.06.2019 14:30
Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.
Answers: 1
Mathematics, 21.06.2019 17:00
Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars
Answers: 1
Mathematics, 21.06.2019 21:30
Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?
Answers: 2
21) A consumer group was interested in comparing the operating time of cordless toothbrushes manufac...
Computers and Technology, 23.08.2019 16:10
Mathematics, 23.08.2019 16:10
History, 23.08.2019 16:10
Biology, 23.08.2019 16:10
English, 23.08.2019 16:10
History, 23.08.2019 16:10
Mathematics, 23.08.2019 16:10