Mathematics, 09.10.2019 11:30 cmarton30140
Pollsters take a survey of people at a ball game to collect and analyze data about favorite leisure activities of star city’s residents. would this study be biased why or why not?
a. no, it is not biased. the sample of people at the ball park is representative of star city’s residents.
b. no, it is not biased. all people at the ball park will respond to the survey.
c. yes, it is biased. not all people at the ball park will respond to the survey.
d. yes, it is biased. the sample of people at the ball park is not representative of star city’s residents
Answers: 3
Mathematics, 21.06.2019 17:30
The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?
Answers: 1
Mathematics, 21.06.2019 18:30
Three times the sum of a number and seven is negative thirty-six. what is the number?
Answers: 2
Mathematics, 21.06.2019 21:30
Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.
Answers: 2
Mathematics, 21.06.2019 21:30
Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?
Answers: 1
Pollsters take a survey of people at a ball game to collect and analyze data about favorite leisure...
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