Mathematics
Mathematics, 17.04.2020 21:24, hellokitty1647

Lood. The amount of a certain trace element in blood is known to vary with a standard deviation of 14.1 ppm (parts per million) for male blood donors and 9.5 ppm for female donors. Random samples of 75 male and 50 female donors yield concentrations means of 28 and 33 ppm, respectively. What is the likelihood that the population means of concentrations of the element are the same for men and women? Test an appropriate hypothesis and state your conclusion in contex

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:00, alaina3792
Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable
Answers: 3
image
Mathematics, 21.06.2019 22:00, 24lbriscoe
Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?
Answers: 1
image
Mathematics, 21.06.2019 23:00, lizbethmillanvazquez
Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase
Answers: 1
image
Mathematics, 21.06.2019 23:50, levigabehart
Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping
Answers: 3
Do you know the correct answer?
Lood. The amount of a certain trace element in blood is known to vary with a standard deviation of 1...

Questions in other subjects: