Mathematics, 09.12.2021 14:40 kevin72836
A publisher reports that 34% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 220 found that 30% of the readers owned a particular make of car. Determine the P-value of the test statistic. Round your answer to four decimal places.
Answers: 2
Mathematics, 21.06.2019 19:00
How is working backward similar to solving an equation?
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Mathematics, 21.06.2019 19:30
Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?
Answers: 2
Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
Answers: 3
A publisher reports that 34% of their readers own a particular make of car. A marketing executive wa...
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