The average daily high temperature in June in LA is 78°F with a standard deviation of 8°F. Suppose that the temperatures in June closely follow a norma (a) What is the probability of observing a 70°F temperature or higher in LA during a randomly chosen day in June? 0.1587 (b) What is the probability of observing a 70°F temperature or lower in LA during a randomly chosen day in June? 0.1587 (c) What is the probability of observing a temperature between 79°F and 87°F in LA during a randomly chosen day in June? (d) Find a temperature so that 68% of days will be warmer during June in LA. F 4. 9.

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I need help on the last two my teacher does not allow excel and im trying to figure it out by hand
The average daily high temperature in June in LA is 78°F with a standard deviation of 8°F. Suppose that the temperatures in June closely follow a normal distribut
(a) What is the probability of observing a 70°F temperature or higher in LA during a randomly chosen day in June? 0.1587
(b) What is the probability of observing a 70°F temperature or lower in LA during a randomly chosen day in June? 0.1587
(c) What is the probability of observing a temperature between 79°F and 87°F in LA during a randomly chosen day in June?
(d) Find a temperature so that 68% of days will be warmer during June in LA.
F
9.
Transcribed Image Text:The average daily high temperature in June in LA is 78°F with a standard deviation of 8°F. Suppose that the temperatures in June closely follow a normal distribut (a) What is the probability of observing a 70°F temperature or higher in LA during a randomly chosen day in June? 0.1587 (b) What is the probability of observing a 70°F temperature or lower in LA during a randomly chosen day in June? 0.1587 (c) What is the probability of observing a temperature between 79°F and 87°F in LA during a randomly chosen day in June? (d) Find a temperature so that 68% of days will be warmer during June in LA. F 9.
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