Answer:
Hypothesis rejected
Step-by-step explanation:
Lets use the t-test since the variance of the population is now known. We need to test the hypothesis that H_0: \mu \leq 79 \text{ vs } H_1: \mu > 79 . This is performed in R as follows:
t.test(tt$Test.2.Score,mu=79,alternative="greater")
One Sample t-test
data: tt$Test.2.Score
t = 2.9238, df = 69, p-value = 0.002337
alternative hypothesis: true mean is greater than 79
95 percent confidence interval:
81.26555 Inf
sample estimates:
mean of x
84.27143
Thus, we reject the null hypothesis and conclude that \mu > 79.
The whole second is the first number to the left of the decimal (_.), so : 35.78=36 because 7>5. 39.51=40 because 5=5. 40-36=4. Bailey won the race by about 4 seconds. Hoped I helped!
Answer:
Money Market Instruments
Step-by-step explanation:
Money market instruments can be defined as a form of securities that help to provide businesses, banks as well as the government with large sum of amounts of low-cost capital for a short period of time because the financial markets tend to meet longer-term cash needs while Businesses tend to need short-term cash due to the fact that payments for goods and services sold might take months which is ‘Money Market’ are often been used to help to define a market where short-term financial assets are traded because they aim to increase the financial liquidity of a businesses company's or organization's.
The best recommendation to the customer is to invest the $100,000 in: MONEY MARKET INSTRUMENTS
600 *2*x + 150*4*x = 90
1200x + 600x = 90
1800x = 90
x = 90/1800 = 0.05
x = 5%
Answer: rate of interest = 5%
