Ejercicios para la actividad 7. 1. Contrastar que, con el cambio de modelo de una máquina, el proceso se ha hecho más
variable. La varianza con el modelo anterior fue de 23.15. Se realizan 25 observaciones con el
nuevo modelo obteniéndose una varianza muestral
2. de 40.5. Utilice un 99% de confianza para realizar el contraste. (Contraste bilateral)

Miko willingly admits that she is not an accountant by training. she is concerned that her balance sheet might not be correct. she has provided you with the following additional information. 1. the boat actually belongs to miko, not to skysong, inc.. however, because she thinks she might take customers out on the boat occasionally, she decided to list it as an asset of the company. to be consistent, she also listed as a liability of the corporation her personal loan that she took out at the bank to buy the boat. 2. the inventory was originally purchased for $27,500, but due to a surge in demand miko now thinks she could sell it for $39,600. she thought it would be best to record it at $39,600. 3. included in the accounts receivable balance is $11,000 that miko loaned to her brother 5 years ago. miko included this in the receivables of skysong, inc. so she wouldn’t forget that her brother owes her money. (b) provide a corrected balance sheet for skysong, inc.. (hint: to get the balance sheet to balance, adjust stockholders’ equity.) (list assets in order of liquidity.)