Question

Homework: Section 6.1 Sav Score: 0 of 1 pt 10 of 21 (9 complete) HW Score: 42.86%, 9 of 21 6.1.25 Question Help Assume that thermometer readings are normally distributed with a mean of O°C and a standard deviation of 1.00°C. A thermometer is randomly selected and tested. For the case below, draw a sketch, and find the probability of the reading. (The given values are in Celsius degrees.) Between 0.50 and 1.25 Click to view page 1 of the table. Click to view page 2 of the table Draw a sketch. Choose the correct graph below. OB OC TEO 50 125 The probability of getting a reading between 0.50°C and 1.25°C is (Round to four decimal places as needed.) HVV. (u) More

Answer 1

Answer:

1)

1050 11.25

2)

We want to find area between z= 0.50 and z=1.25

We want to find P(0.50 < z < 1.25)

P(0.50 < z < 1.25) = P(z < 1.25) - P(z < 0.50)

using normal z table we get

P(z < 1.25) = 0.8944

P(z < 0.50) = 0.6915

P(0.50 < z < 1.25) = 0.8944 - 0.6915

Answer= 0.2029