Statistics and Probability

. up before riding in a car. They randomly survey 402 drivers and find that 306 claim to always buckle up. Construct a 86% confidence interval for the population proportion that claim to always buckle up. Use Brackets [ ]. for interval. [: Insurance companies are Interested in knowing the population percent of drivers who always buckle up before riding In a ca r. They randomly survey 394 drivers and find that 306 claim to always buckle up. Construct a 32% confidence Interval for the population proportion that claim to always buckle up. Use Brackets [ ], for Interval. [: l Insurance companies are interested in knowing the population percent of drivers who always buckle A manufacturer knows that their items have a normally distributed lifespan. with a mean of 7.3 years. and standard deviation of 1.5 years. If 24 items are picked at random, 4% of the time their mean life will be less than how many years? Give your answer to one decimal place. The time required to assemble a single Play Station 5 Is approximately normally distributed with p = 16.51 minutes and tr = 1.2 minutes. A random sample of 20 Play Station 5 assembly times Is selected. Find the minimum assembly time of the upper 10% of average assembly times. 1) Plot the Inequality on the given number line. Toggle the "Dot" or \"Open Dot' button to place the correct dot on your line before you submit your answer. :26 ._-._-._-_.-_-_-__..._-_.._-_._o_._-_-_-__._.. ~li'lJ-l-T-l'J-'J-2-i'dl'2iill1l I Clear All fDravw :' olol 2) Write the Inequality using Interval notation. Use "00" (Mo lower case o's) for 00. C Find the midpoint between the Interval [ 13, 5]. ? Find the midpoint between the interval [ 5, 9]