Answer:
43.12500
Step-by-step explanation:
figure out 25 percent of 575 (143.75) then do 575-143.75 for the discounted price (431.25) then turn 10 percent into a deciaml (.10) and multiply 431.25 by .10 for your answer. Hope this help :)
Answer:
The null and alternative hypotheses are:


Under the null hypothesis, the test statistic is:




Now, we have to find the right tailed z critical value at 0.10 significance level. Using the standard normal table, we have:

Since the test statistic is greater than the z critical value, we therefore, reject the null hypothesis and conclude that there is sufficient evidence to support the claim that the university students weigh more than the population.
Answer:
b. a person
Step-by-step explanation:
The conducted study demonstrates the commuting patterns of people. Here, the information is collected from a person about amount of time consumes in travel to their work on a certain day of the week. Thus, here the individual is "a person" because the information is collected from a person about their time travel.
Answer:
8x6=48 so in 6 hours she will have enough money to buy it
Step-by-step explanation:
6 hours will give her 48 dollars if the dvd costs 45 so she will have to work 6 hours
Answer:
10.2956
Step-by-step explanation: