A manufacturer of rechargeable laptop batteries markets its batteries as having on average 500 charges A consumer group decides to test this claim by assessing the number of times 30 of their laptop batteries can be recharged and finds the average is 497 with a standard deviation of 10 The resulting p value is 0 1111 thus the null hypothesis is not rejected The consumer group concludes that the manufacturer s claim that its laptop batteries can be recharged on average 500 times is accurate What type of error is possible in this situation type I type II neither O both