Question

B. The standard deviation can be used to determine which battery is more reliable sed to amourt of t D. The standard deviation can be used to determine exactly how long a battery will last b) Suppose those standard deviations are 2.2 hours complete your choice. r and Aard 14houser Brenda ou an headed or 9 ous atthe beach which at eys i ost laeryto๒st al day? Expis See tte orect choebeo andar teamet Round to two decimal places as needed. A Brand A; a duration of 9 hours is SDs below the mearn SDs below the mean Sor Brand B, so Brand B's battories are more lksly to last for 3 Brand B, a duration of 9 hours is 1,.36 SDs below the mean for Brand A and 2.86 SDs below the mean for Brad ,d Bys bateriseare morkr your beach ably will have the music on for 18 hours, which battery is more likely to last? Explain The z-scores for each brand of battery are 2.73 for Brand A and 3.57 for Brand B Round to two decimal places as needed.) d B is more ikely to last Clear Al All parts s G Search or type URL 5 6 3 2

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Answer 1

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all answers are correct

brand B is answer,because it has greater std dev