Question

During September, the average temperature of Laurel Lake is 64.2 and the standard deviation is 2....

During September, the average temperature of Laurel Lake is 64.2 and the standard deviation is 2. Assume the variable is normally distributed. To find the probability that on a randomly selected day the temperature is between 68 and 75, rewrite the problem in standard normal form.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Assume the variable is normally distributed.

now we will calculate the P ( 64.2 < X < 75 ) = ?

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
2. The average on a statistics test was 75 with a standard deviation of 11. If...
2. The average on a statistics test was 75 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 36 randomly selected students is between greater than 81. *
Assume that​ women's heights are normally distributed with a mean given by u equals 64.2 inμ=64.2...
Assume that​ women's heights are normally distributed with a mean given by u equals 64.2 inμ=64.2 in​, and a standard deviation given by σ=2.7 in. ​(a) If 1 woman is randomly​ selected, find the probability that her height is less than 65 in. ​(b) If 45 women are randomly​ selected, find the probability that they have a mean height less than 65 in.
The average on a statistics test was 75 with a standard deviation of 11. If the...
The average on a statistics test was 75 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 36 randomly selected students is between 72 and 81.
The average on a statistics test was 75 with a standard deviation of 11. If the...
The average on a statistics test was 75 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 25 randomly selected students is between greater than 82.
Assume that​ women's heights are normally distributed with a mean given by μ=64.2 in​, and a...
Assume that​ women's heights are normally distributed with a mean given by μ=64.2 in​, and a standard deviation given by σ=1.7 in. Complete parts a and b. a. If 1 woman is randomly​ selected, find the probability that her height is between 63.5 in and 64.5 in.
The average daily high temperature in June in LA is 78∘F with a standard deviation of...
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 distribution. (a) What is the probability of observing a 70∘F temperature or higher in LA during a randomly chosen day in June? (b) What is the probability of observing a 71∘F temperature or lower in LA during a randomly chosen day in June? (c) What is the probability of observing a temperature between...
The average on a statistics test was 76 with a standard deviation of 11. If the...
The average on a statistics test was 76 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 36 randomly selected students is between greater than 81. *
1. The average on a statistics test was 76 with a standard deviation of 11. If...
1. The average on a statistics test was 76 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 36 randomly selected students is between 72 and 81. *
The mean of a normally distributed data set is 112, and the standard deviation is 18....
The mean of a normally distributed data set is 112, and the standard deviation is 18. a) Use the Empirical Rule to find the probability that a randomly-selected data value is greater than 130. b) Use the Empirical Rule to find the probability that a randomly-selected data value is greater than 148. A psychologist wants to estimate the proportion of people in a population with IQ scores between 85 and 130. The IQ scores of this population are normally distributed...
A variable of a population has a mean of ?=150 and a standard deviation of ?=21....
A variable of a population has a mean of ?=150 and a standard deviation of ?=21. a. The sampling distribution of the sample mean for samples of size 49 is approximately normally distributed with mean __ and standard deviation __ A company sells sunscreen in 500 milliliters (ml) tubes. In fact, the amount of lotion in a tube varies according to a normal distribution with mean ?=497 ml and a standard deviation ?=5 ml. Suppose a store that sells this...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT