Question

o Apizza shop aims its werage home delivery time is 20 minutes. A sample of 36 deliver had a sample average of 22.5 minutes. Asume the population standard deviation to the shop si varios le 6.7 mm Complete para a and below Is there woon for the show's daim using the one that the sample average of 225 ml win the metri intervalo ne sample marine en 20 correct choice below and in the new box within your choice yenge of decimal rounded to four decimal pics as reded) O A The pray P225) - This indicates that the same age of 2.5 is greater than 6%, supporting the show's doin OB. The probably P225) - This is that the sample werage of 2.5 mites is less than , corredicting the shop cam

Answer 1

P(Sample mean > 22.5)

= P(Z > 22.5 – 20 6.7/35

= P(z > 2.2075)

= 0.0136

Hence,

Option B; 0.0136