Please I need help with my assignment 1,In a normally distributed data set of how long...
Please I need help with my assignment
1,In a normally distributed data set of how long customers stay in your store, the mean is 31.7 minutes and the standard deviation is 1.9minutes . Within what range would you expect 95% of your customers to stay in your store?
a.26.0-37.4
b.30.75-32.7
c.29.8-33.6
d.27.9-35.5
2. You need to study the satisfaction of customers of a specific restaurant. You decide to order food and talk to those customers sitting next to you. This would most closely describe which type of sampling technique?
| Convenience |
| Stratified |
| Systematic |
| Random |
3.What type of data collection might be best to estimate how many books individuals read in the past 6 months?
| Survey |
| Simulation |
| Observational |
| Experiment |
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