Mathematics, 24.04.2020 15:19 ljwatts25
A random sample of 144 recent donations at a certain blood bank reveals that 81 were type A blood. Does this suggest that the actual percentage of type A donations differs from 40%, the percentage of the population having type A blood? Carry out a test of the appropriate hypotheses using a significance level of 0.01. State the appropriate null and alternative hypotheses.
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 22:00
How many ordered pairs of positive integers satisfy xy=32?
Answers: 1
Mathematics, 22.06.2019 00:00
Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36
Answers: 1
Mathematics, 22.06.2019 01:30
There are 10 chicks on ginger's farm .she has 2 chicks in one outdoor pen and 5 chicks in another. the rest of the chicks are in the barn.what is the fraction of total chicks in outdoor pens?
Answers: 1
Mathematics, 22.06.2019 02:00
Mr. roseanne will buy 12 1/2 pounds beef for for a cookout. the price for the first 3 pounds of beef is $4.99 per pound. after that, the price is $4.49 per pound. how much will mr.roshan pay for the beef
Answers: 1
You know the right answer?
A random sample of 144 recent donations at a certain blood bank reveals that 81 were type A blood. D...
Questions
Mathematics, 08.06.2021 23:10
Mathematics, 08.06.2021 23:10
Chemistry, 08.06.2021 23:10
Mathematics, 08.06.2021 23:10
Mathematics, 08.06.2021 23:10
Mathematics, 08.06.2021 23:10
Mathematics, 08.06.2021 23:10
Chemistry, 08.06.2021 23:10
History, 08.06.2021 23:10
Geography, 08.06.2021 23:10
