Activity 3. Let's Hypothesize Directions: Write The Null Hypothesis And Alternative…
Activity 3. Let’s Hypothesize
Directions: Write the null hypothesis and alternative hypothesis in
notations for each given situation.
1. Mrs. Dela Cruz claims that her students scored an average of 91 in their
Mathematics quiz. The master teacher wants to know whether the
teacher’s claim is acceptable or not.
Ho:
Ha:
2. A car manufacturer claims that the mean selling price of all cars
manufactured is only P150,000. A consumer agency wants to test
whether the mean selling price of all the cars manufactured exceeds
P150,000.
Ho:
Hai
3. A manufacturer of soft drinks claims that all labeled 1.5-liter bottles
contain an average of 1.49 liters of soft drinks. A retailer wishes to test
whether the mean amount of soft drinks in labeled 1.5-liter bottle is less
than 1.49 liters.
Ho:
Hai
4. A bus company in Manila claims that the mean waiting time for a bus
during rush hour is less than 12 minutes. A random sample of 30
waiting times has a mean of 15 minutes with a standard deviation of 4.8
minutes.
Ho:
Hai
5. The average power consumption of air conditioner is at most 2,700 watts
as claimed by the owner. A survey made by an electric power company
found out that the mean consumption is 3,000 with standard deviation
of 225.
Ho
Hai
Answer:
1. Ho: = 91 (claim)
Ha: ≠ 91
2. Ho: = ₱150,000 (claim)
Ha: > ₱150,000
3. Ho: = 1.49 L (claim)
Ha: < 1.49 L
4. Ho: ≥ 12 minutes
Ha: < 12 minutes (claim)
5. Ho: ≤ 2,700 (claim)
Ha: > 2,700
Step-by-step explanation:
hope it helps <33
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Answered: 5극 feet 15 feet 12 feet what is the…. E.f.g. “j’s on my feet”. Schjelderup trondahl widokiem fiordy architects holmestrand dezeen proj gabled 120m adolfsen jonas telhados paisagem dois fjord overlooking ramberg meters
