The chief loan officer of La Crosse Home Mortgage Company summarized the housing loans extended by the company in 2017 according to type and term of the loan. Her list shows that 70% of the loans were fixed-rate mortgages (F), 20% were adjustable-rate mortgages (A), and 10% belong to some other category (0) (mostly second trust-deed loans and home equity loans). Of the fixed-ra mortgages, 80% were 30-year loans and 20% were 15-year loans; of the adjustable-rate mortgages, 30% were 30-year loans and 70% were 15-year loans; finally, of the other loans extended, 30 were 20-year loans, 60% were 10-year loans, and 10% were for a term of 5 years or less. (a) Draw a tree diagram representing these data. 10 20 5 10 20

The chief loan officer of La Crosse Home Mortgage Company summarized the housing loans extended by the company in 2017 according to type and term of the loan. Her list shows that 70% of the loans were fixed-rate mortgages (F), 20% were adjustable-rate mortgages (A), and 10% belong to some other category (0) (mostly second trust-deed loans and home equity loans). Of the fixed-ra mortgages, 80% were 30-year loans and 20% were 15-year loans; of the adjustable-rate mortgages, 30% were 30-year loans and 70% were 15-year loans; finally, of the other loans extended, 30 were 20-year loans, 60% were 10-year loans, and 10% were for a term of 5 years or less. (a) Draw a tree diagram representing these data. 10 20 5 10 20

Name: The chief loan officer of La Crosse Home Mortgage Company summarized
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Description: The chief loan officer of La Crosse Home Mortgage Company summarized the housing loans extended by the company in 2017 according to type and term of the loan. Her list shows that 70% of theloans were fixed-rate mortgages (F), 20% were adjustable-rat

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The chief loan officer of La Crosse Home Mortgage Company summarized the housing loans extended by the company in 2017 according to type and term of the loan. Her list shows that 60% of the loans were fixed-rate mortgages (F), 30%were adjustable-rate mortgages (A), and 10% belong to some other category (O) (mostly second trust-deed loans and home equity loans). Of the fixed-rate mortgages, 75% were 30-year loans and 25% were 15-year loans; of the adjustable-rate mortgages, 30% were 30-year loans and 70% were 15-year loans; finally, of the other loans extended, 25% were 20-year loans, 60% were 10-year loans, and 15% were for a term of 5 years or less. What is the probability that a home loan extended by La Crosse has an adjustable rate and is for a term of 15 years? What is the probability that a home loan extended by La Crosse is for a term of 15 years?
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How common are financial cost or contractual constraints associated with smartphone ownership? A survey of smartphone users found that 48% of the 18- to 29-year-olds, 39% of the 30- to 49-year-olds, 24% of the 50- to 64-year-olds, and 19% of those age 65 or older have reached the maximum amount of data they are allowed to use as part of their plan, at least on occasion: Suppose the survey was based on 300 smartphone owners in each of the four age groups: 18 to 29, 30 to 49, 50 to 64, and 65 and older. Complete parts (a) through (c). a. At the 0.05 level of significance, is there evidence of a difference among the age groups in the proportion of smartphone owners who have reached the maximum amount of data they are allowed to use as part of their plan, at least on occasion? Find the test statistic x 2 stat? and critcal value