Suppose X has a continuous uniform distribution over the interval [1.5, 5.5]. Determine the mean What is P(X<2.5)? Determine the variance and standard deviation of X. Determine the cumulative distribution function.
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Answer please ty!
Determine the mean
Determine the variance and standard deviation of X.
What is P(X < 2.5)?
Determine the cumulative distribution
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- Plz state exactly what I am putting in the brackets here.Find X1.05 for x² distribution with 10 degrees of freedom. = X0.05 (Round the answer to 3 decimal places)Please Show All Workings Very Clearly! Number of customers who visited a business organization during the last 50 days is provided by the below frequency distribution in the table. Number of Number of days customers 30 - 39 08 40 - 49 10 50 - 59 15 60 - 69 07 70 - 79 06 80 - 89 04 Total 50 Using that information calculate the, mean and mode of the number of customers, along with the variance and standard deviation of the number of customers.
- pr The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 308 days or longer. b. If the length of pregnancy is in the lowest 4%, then the baby is premature. Find the length that separates premature babies from those who are not premature. /2 pr Click to view page 1 of the table. Click to view page 2 of the table. /2 a. The probability that a pregnancy will last 308 days or longer is (Round to four decimal places as needed.) pr b. Babies who are born on or before 12 days are considered premature. (Round to the nearest integer as needed.) /2 12 uc /2 12 or /2 or (2 Enter your answer in each of the answer boxes.variance and standard deviation both measure the spread of your data. How are they different from the range?Not everyone pays the same price for the same model of a car. The figure illustrates a normal distribution for the prices paid for a particular model of a new car. The mean is $ 18 comma 000$18,000 and the standard deviation is $ 2000 Use the 68 - 95-99.7 68-95-99.7 Rule to find the percentage of buyers who paid more than $ 20 comma 000$20,000.
- Use the Central Limit Theorem to find the mean and standard error of the mean of the sampling distribution. Then sketch a graph of the sampling distribution. The mean price of photo printers on a website is $227 with a standard deviation of $58. Random samples of size 22 are drawn from this population and the mean of each sample is determined. Question content area bottom Part 1 The mean of the distribution of sample means is enter your response here . Part 2 The standard deviation of the distribution of sample means is enter your response here . (Type an integer or decimal rounded to three decimal places as needed.) Part 3 Sketch a graph of the sampling distribution. Choose the correct answer below. A. 224 227 230Mean price (in $) x A bell shaped curve is over a horizontal x overbar axis labeled Mean price (in dollars) from 224 to 230 in increments of 1 and is centered on 227. B. -3 0 3Mean…x = 0,1,2,3,4 p(x) = 0.0, 0.1,0.2,0.3,0.4 can you please find mean and standard deviationA computer scientist estimates that the proportion of users that properly back up their data is p = 0.304. They will randomly select n = 380 users and will compute the sample proportion that properly back up their data. What is the mean of the distribution of the sample proportion? What is the standard deviation of the distribution of sample proportion? (Report answer accurate to 3 decimal places.) Add Work
- of error, Claim: The standard deviation of pulse rates of adult males is more than 11 bpm. Fora random sample of 148 adult males, the pulse rates have a standard deviation of 11.6 bpm. Find the value of the test statistic. r7 *.* The value of the test statistic is (Round to two decimal places as needed.)The data in the table is points scored by a basketball team in a certain period of time. Use the data in the table to answer the bulleted statements.(a) Approximate the mean and standard deviation. Round each to two decimals. (b) Complete the last two columns in the table above for relative frequency and cumulative frequency. Round any decimals to 3 places. Do not include the zero before the decimal. For example for 0.56, enter .56 (c) What is the shape of the distribution?