I believe the population mean number of podcasts that my friends subscribe to is more than 6. My friends subscribe to: 0, 1, 2, 3, 4, 4, 5, 5, 7, 9...

I believe the population mean number of podcasts that my friends subscribe to is more than 6. 

My friends subscribe to: 0, 1, 2, 3, 4, 4, 5, 5, 7, 9 different true crime podcasts.

Test the hypothesis at the significance level: a = 0.1