subject
Mathematics, 18.08.2020 04:01 rilee3344

What should I buy? A study conducted by the Pew Research Center reported that 58% of cell phone owners used their phones inside a store for guidance on purchasing decisions. A sample of 15 cell phone owners is studied. (b)What is the probability that fewer than 10 of them used their phones for guidance on purchasing decisions?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?
Answers: 1
question
Mathematics, 21.06.2019 18:30
Which representation has a constant of variation of -2.5
Answers: 1
question
Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
question
Mathematics, 21.06.2019 22:30
Which statements are true about additional information for proving that the triangles are congruent check all that apply
Answers: 1
You know the right answer?
What should I buy? A study conducted by the Pew Research Center reported that 58% of cell phone owne...
Questions
question
Mathematics, 27.12.2019 05:31