Amarket researcher for a provider of music player accessories wants to know the proportion of customers who own cars to assess the market for a new car charger. a survey of 400400 customers indicates that 7373% own cars. a) what is the estimated standard deviation of the sampling distribution of the proportion? b) how large would the estimated standard deviation have been if he had surveyed only 100100 customers (assuming the proportion is about the same)?

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

Which of these tools or constructions is used to inscribe a hexagon inside a circle?