Hello!

Please, help me to solve these two attached problems. Please, I prefer typing not handwriting. Thank you!

MTH 243 - PCC (Lee) tomsN Name: WIH SV3 - BCC (res) .S 1291 29msg BIM Its to slams s 2 GRADED PROBLEM SET Module 6 .zomg on) to NEZ al ameg world)_zemsg orly led nards erom ani s . conebiye al sers +1 992 of (atning svisas of fest zicoritogyrl erdt to 2geta lis Answer each of the following questions completely. All work and steps should be shown, think of this as proving to me you understand the process. When possible to answer using a complete sentence and offering explanation, please do so. This assignment is worth 15 points. 1. ACT, Inc. reported that 74% of 1644 randomly selected college freshmen returned to college the next year. a. [3 pts] Construct and interpret a 90% confidence interval to estimate the retention rate for college freshmen. b. [3 pts] Let's say they only need a 2% margin of error with the same level of confidence the following year. How many college freshmen must be surveyed? c. [1 pts] If they increased their confidence level to 95%, would the confidence intervals get wider or narrower? Explain why. Page 1MTH 243 - PCC (Lee) Name: 2. [8 pts] There were 2430 Major League Baseball games played in 2009, and the home team won the game in 53% of the games. If we consider the games played in 2009 as a sample of all MLB games, test to see if there is evidence, at the 5% level, that the home team wins more than half the games. (Show all steps of the hypothesis test to receive points) 26 airs to dininis ,nwork ed bluorla 2qele bnis show IIA .vletsiqmoo anoidzeup gniwollot art to rose 19wanA anhelio bris sonetnies sislamon s gnieu Towans of oldizzoq nerW 2zedong aris bristerebnu wov am of gnivorq .zinioq at how al insmngizes zinT 02 ob 926elq, noisEnElqxs Ixen arif egellog of bemuter nemrizent egelloo besoslea vimobrist AABI to deAT felt betroger .onl ,TOA .I 101 917 noitnefer ent stamites of levisfi sonsbitrico dege s fenqisini bris foundeno) [21q E] .6 .nomdeent 9gelloo arla cortebitnoo lo level smee er ritiw home to nigism ofS s been vino vor yea a'toJ [210 8] .d Sheyevwe ed fzum nemlast easitoo vosm woll .soy aniwollot jobiw foy alsvetri consbinoo ert blow ,oce of lovel sonsbitrion lloris beaseveni vorf H [efq r] .5 vilw nisiqx3 5tewonisn 10 Page 2