Mathematics, 04.12.2019 04:31 EmiHope
The pew research center surveyed adults who own/use the following technologies: internet, smartphone, email, and land-line phone (usa today, march 26, 2014) and asked which of these technologies would be "very hard" to give up. the following responses were obtained: internet 53%, smartphone 49%, email 36%, and land-line phone 28%. a. if 20 adult internet users are surveyed, what is the probability that 3 users will report that it would be very hard to give it up ? b. if 20 adults who own a land-line phone are surveyed, what is the probability that 5 or fewer will report that it would be very hard to give it up ?
Answers: 3
Mathematics, 21.06.2019 16:00
Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.
Answers: 2
Mathematics, 22.06.2019 01:10
"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?
Answers: 2
Mathematics, 22.06.2019 03:30
Ashop has a sale that offers 20% off all prices. on the final day they reduce all the sale prices by 25% linz buys a ratio on the day. work out the overall percentage reduction on the price of the ratio
Answers: 2
The pew research center surveyed adults who own/use the following technologies: internet, smartphon...
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