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No. Data The following data shows the amount money ( RM ) spent for food per week , by randomly five Selectell Students . 35

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No. Data The following data shows the amount money ( RM ) spent for food per week , by randomly five Selectell Students . 35 40 30 45 50 ") what is the point estimate for the mean ( 2 m ) find the 907. confidence interval of the true mean (8 m) b) Entry to a premier university is cleterminal by a national test. The Scores on this test are normally distributed with a mean of soo and a standard deviation of 100 . Azhari wants to be admitted to this university and he knows that he must score better than at least 701% . of the students who took the test. Azhavi takes the test and scores 585 . will he be admitted to this university ( 10 m ) () For a certain type of computers, the length of the time between charges of the battery normally distributed with a mean of so hours and a stardard deviation of 15 hours. Find probability that the length of the time betwoon charges is in between 40 and 70 hours ( 10m)

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