So,... the previous calculation indicated that the

95%

probability interval was [8:38am; 12:18am]\ After analyzing the data you go back and read the customer's email again. It said: "I am a frequent customer of Instacart and use your company's service everyday. However, this last month I have been very disappointed. I set the orders to arrive home at 10:30 am and the online system promises that

95%

of the orders will arrive between 9:30am and 11:30 am (that is

+1-1

hour). But this month I have been receiving most of the orders earlier than 9:30am or later than 11:30am, which is very upsetting because the driver either wakes up all my family or it makes me get late to work. I demand that my delivery fees for the last two months are reimbursed or I will not use your service again!! ?"\ Based on the results of your analysis you decide to reply the customer's email by saying:\ "Dear valued customer, our records indicate that our deliveries have satisfied consistently the delivery times that we promised, so you are not entitled to a refund"\ "Dear valued customer, you are right, our delivery times to you did not meet consistently the delivery times that we promised. We apologize and will reimburse the delivery fees"

So,... the previous calculation indicated that the 95% probability interval was [8:38am; 12:18am] After analyzing the data you go back and read the customer's email again. It said: "I am a frequent customer of Instacart and use your company's service everyday. However, this last month I have been very disappointed. I set the orders to arrive home at 10:30 am and the online system promises that 95% of the orders will arrive between 9:30am and 11:30am (that is +/1 hour). But this month I have been receiving most of the orders earlier than 9:30am or later than 11:30am, which is very upsetting because the driver either wakes up all my family or it makes me get late to work. I demand that my delivery fees for the last two months are reimbursed or I will not use your service again!! :(" Based on the results of your analysis you decide to reply the customer's email by saying: "Dear valued customer, our records indicate that our deliveries have satisfied consistently the delivery times that we promised, so you are not entitled to a refund" "Dear valued customer, you are right, our delivery times to you did not meet consistently the delivery times that we promised. We apologize and will reimburse the delivery fees