Learning Task 3. Formulate Ho and Ha in symbol x and u, and on the following problems, 1. There average age of private cars in Dasmarinas City is 6 years A large car rental company in Quezon Cty selects a sample of 40 cars The average age of the cars in the sample is 8 years and the standard devation is 31 years. At 1% level of significance, is the sample data sufficient to say that the average age of the cars in the car rental is different from private cars in Quezon City? Ho: Ha: 2 was reported by the Guardian vlog that the average shower time of 18 to 24 ages is less than 13 min with standard deviation of 22 min. If time in shower is approximately normal what is the probability that the mean time for 35 randomly selected people exceed 15 min. Ho: Ha: 3. The height of the container (in cm) is normally distributed and has a standard deviation of 4 cm and planning department in a manufacturing company is designing a new plastic container as a new product and is interested in the box height. The company wishes to test if the mean is less than or equal to 13 cm using the results of 32 samples when the true mean height of sample is 15 cm. They plan to test the claim using 99% Ho: Ha: X- H:4 A high school teacher wanted to know the mean age of learners in her town. She took a random sample of 50 students and their mean age is below 15 years The population standard deviation was known to be 4.5 years when the mean age of the population is 16 years? Ho: Ha: X