ENGLISH PLEASE, DON’T UNDERSTAND ANY OTHER LANGUAGE

Question Answered step-by-step ENGLISH PLEASE, DON’T UNDERSTAND ANY OTHER LANGUAGE Image transcription textIII Home | (—90 X 52:? Files X n Course X I u Course X I u Course X I u Course X I u Course X I u Course X I u Course X I u Course X I u Course X I u Homew X I + v mano- fl cf.instructure.com/courses/’I 678430/files?preview=1 34736162 11. (a) Assume that SAT scores are normally distributed with a mean ,u = 1383 and a standard deviation 0′ = 240 If 144 SAT scores are randomly selected find the probability that they have a mean greater than 1420 (b) The mean speed of trucks along an interstate highway is 64 miles per hour with a standard deviation of 10 miles per hour. Find the z-scores of the following recorded speed and from your result 5 determine if the speeds are usual or unusual (i) 84 miles per hour (ii) 36 miles per hour (iii) 85 miles per hour (iv) 88 miles per hour Zoom Google Drive All My Files… Show moreENGLISH PLEASE, DON’T UNDERSTAND ANY OTHER LANGUAGE Math Statistics and Probability PSYCHOLOGY 2314 Share QuestionEmailCopy link Comments (0)