Mathematics, 21.04.2020 22:33 keyonaemanieevans
It is believed that the average amount of money spent per U. S. household per week on food is about $98, with standard deviation $10. A random sample of 100 households in a certain affluent community yields a mean weekly food budget of $100. We want to test the hypothesis that the mean weekly food budget for all households in this community is higher than the national average. State the null and alternative hypotheses for this test.
Answers: 2
Mathematics, 21.06.2019 13:30
Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work
Answers: 1
Mathematics, 21.06.2019 14:30
The sum of two numbers is 58. the first number is 8 less than half the second number. let c represent the first number. let drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation  represents the sum of the two numbers.the equation  represents the sentence “the first number is 8 less than half the second number.”the equation  represents the relationship between the two numbers.the equation  represents the sum of the two numbers.the number d is 14.the number c is 44.the number c is 14.the number d is 44.
Answers: 1
Mathematics, 21.06.2019 17:20
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
It is believed that the average amount of money spent per U. S. household per week on food is about...
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