\( 5 \% \) confidence interval estimate for the average lifetime of Duracell batteries is \( (7.17,7.83 \) ). Which of the following gives a correct interpretation of this interval? The probability is 0.95 that the average lifetime of all Duracell batteries is between 7.17 and 7.83 hours. We are \( 95 \% \) confident that the average lifetime of all Duracell batteries is between 7.17 and 7.83 hours. We are \( 95 \% \) confident that the lifetimes of all Duracell batteries are between 7.17 and 7.83 hours.

One of the interpretations states " \( 99 \% \) of the time, the mean IQ's of all seventh-grade girls . . ." Does this interpretation give "confidence?" yes no

What parameter do the researchers want to estimate with a \( 95 \% \) confidence interval? the mean hemoglobin level for the sample of 26 breast fed infants \( 95 \% \) of the hemoglobin levels for all breast fed infants the level of confidence the mean hemoglobin level for all breast fed infants

Proportional Reasoning Question Josiah's car used 6 gallons to travel 138 miles. How many gallons of gas would he need to travel 184 miles? Answer

Resolven to divisiós \( \left.6 x^{4}-2 x^{3}+x-1\right):\left(x^{3}-2\right) \)

Explain how this sonar technology, has benefited mankind. What is the purpose of your technology? this technology being commonly used today? If yes, in what area(s)/industries?