Mathematics, 09.06.2020 18:57 reycaden
Briahna mixes red and silver glitter for an art project. She has 20 packets of red
glitter and 30 packets of silver glitter when she starts.
She wants the same mixture every time, so the amounts of red and silver glitter
must always be proportional to the original mixture.
For the first batch, she mixes 5 packets of red glitter and 10 packets of silver
glitter.
For the second batch, she mixes 8 packets of red glitter and 16 packets of silver
glitter.
Fill in the blanks to find the highest number of packets of each color
that Briahna can combine to make the same glitter mix in a third
batch.
Answers: 3
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1. the manager of collins import autos believes the number of cars sold in a day (q) depends on two factors: (1) the number of hours the dealership is open (h) and (2) the number of salespersons working that day (s). after collecting data for two months (53 days), the manager estimates the following log-linear model: q 4 equation 1 a. explain, how to transform the log-linear model into linear form that can be estimated using multiple regression analysis. the computer output for the multiple regression analysis is shown below: q4 table b. how do you interpret coefficients b and c? if the dealership increases the number of salespersons by 20%, what will be the percentage increase in daily sales? c. test the overall model for statistical significance at the 5% significance level. d. what percent of the total variation in daily auto sales is explained by this equation? what could you suggest to increase this percentage? e. test the intercept for statistical significance at the 5% level of significance. if h and s both equal 0, are sales expected to be 0? explain why or why not? f. test the estimated coefficient b for statistical significance. if the dealership decreases its hours of operation by 10%, what is the expected impact on daily sales?
Answers: 2
Briahna mixes red and silver glitter for an art project. She has 20 packets of red
glitter and 30 p...
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