Homework: Homework ch 7 Save za shop daims ts average home delvery ime is 35 minutes. Asample of 45 deliverios had a sample average of 371 mtes Asume the popubon stanad devon he sheps deteres3mtes mplete parts a and b belov s there support for the shop's claim using the crteria that the sample average of 37.1 mines tals witn the symetialterval tal incudes ofthe sample means ihe epeputn mean 36 nutes? Select the comect choice below and in the anwer box within your choice ype an integer or decimal rounded to four decimal places as eeded) The probability P(371) 00 This indicates that the sample average of 371 minutes tals out the 9% symmal eterval, conadicing the shops dam D The probablity P(371)- This indicates that the ample average of 37.1 minules fals within the symmetialerval, seporting the shops c . Identity the symmetrical interval that includes 95% of the sample meansfthe true popuation mean is 35 mes Type integers or decimals rounded to hwo deomal places as needed) Ciear all Final check

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E Hormework: Homework ch 7
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Apuza shop daims ts avecage home delivery lime is 35 minutes. A sampie ot 45 dalivarios had a sample average of 37. 1 mindes. Asume the population standard deviaton tor the shop's dobores is 53 minden
Complete parts a and b belov
a. s there support for the shop's claim using the crteria that the sample average of 37.1 minutes falis within the symmotical interval that incudos 0% of the sample means if he e pepulation mean is 36
minutos? Select the comect choice below and Sl in tho answer box within your choice.
(Type an integer or decimal roundod to four decimal places as needed)
The probability P(xa37.1)- 0039 This indicates that the sample average of 37.1 minutes falls outside the 95N symmetical interval, contradicing the shop's cam
OR The probabiny P(a 37.1)
This indicates that me sample average of 37.1 minules fals within the 90% symmetrical intervat, supporting the shop's clam
b. Identify the symmetrical interval that includes 95% of the sample means if the true population mean is 35 mindes
(Type intogers or decimals rounded to two deoimal places as needed)
Clear all
Final check
Transcribed Image Text:E Hormework: Homework ch 7 Save Apuza shop daims ts avecage home delivery lime is 35 minutes. A sampie ot 45 dalivarios had a sample average of 37. 1 mindes. Asume the population standard deviaton tor the shop's dobores is 53 minden Complete parts a and b belov a. s there support for the shop's claim using the crteria that the sample average of 37.1 minutes falis within the symmotical interval that incudos 0% of the sample means if he e pepulation mean is 36 minutos? Select the comect choice below and Sl in tho answer box within your choice. (Type an integer or decimal roundod to four decimal places as needed) The probability P(xa37.1)- 0039 This indicates that the sample average of 37.1 minutes falls outside the 95N symmetical interval, contradicing the shop's cam OR The probabiny P(a 37.1) This indicates that me sample average of 37.1 minules fals within the 90% symmetrical intervat, supporting the shop's clam b. Identify the symmetrical interval that includes 95% of the sample means if the true population mean is 35 mindes (Type intogers or decimals rounded to two deoimal places as needed) Clear all Final check
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