Help
...
Answers: 1
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
Mathematics, 21.06.2019 22:50
Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585
Answers: 1
Mathematics, 22.06.2019 01:20
1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed
Answers: 2
Mathematics, 22.06.2019 02:30
Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?
Answers: 2
Mathematics, 18.03.2021 02:50
English, 18.03.2021 02:50
Physics, 18.03.2021 02:50
Mathematics, 18.03.2021 02:50
Mathematics, 18.03.2021 02:50
Mathematics, 18.03.2021 02:50
Mathematics, 18.03.2021 02:50
Chemistry, 18.03.2021 02:50
Mathematics, 18.03.2021 02:50
Mathematics, 18.03.2021 02:50
Mathematics, 18.03.2021 02:50
Mathematics, 18.03.2021 02:50