Find the standard deviation for the number of girls in groups of 14 births when p = 0.5

Q: Find mean and standard deviation of 1500 males

A: Assume, x be the random variable representing the heights in inches. x be the mean value of x. s be…

Q: On a final  examination in mathematics , the mean was 72  and standard deviation was 15 . Determine…

A: given information: μ=72σ=15x=65 we want to determine the z score . z=x-μσ  =65-7215  =-0.4667

Q: On a statistics exam, the mean score was 80 and there was a standard deviation of 7. If a student's…

A: Given data, μ=80σ=7If x=92z=?

Q: 6. Use the frequency distribution to construct a probability distribution. Construct a histogram,…

A: Given: Defects Frequency 0 105 1 98 2 115 3 64 4 13 5 8 We need to find mean and…

Q: What is the standard deviation on the graph ?

A:

Q: A coin is tossed 16 times, and the number of heads is counted. What is the standard deviation for…

A: Given that,Sample size (n) = 16

Q: The population mean is 75 and the population standard deviation = 6. Random samples (containing 16…

A: Given , The population mean ( n )   = 75 ,  the population standard deviation ( σ )= 6

Q: An advertising agency has stated that 20% of all television viewers watch a particular program. How…

A: From the provided information, An advertising agency has stated that 20% of all television viewers…

Q: statistics professor reported that the mean score in a recent quiz is 72 and the standard deviation…

A: Solution

Q: A history class has 95 members. If there is a 22% absentee rate per class meeting , find the mean…

A:

Q: Suppose the mean height in inches of all 9th grade students at one high school is estimated.

A: Population standard deviation, σ =3 inches Sample size n=6

Q: Find the population standard deviation for the following data set: 36 16 31 17 24 8.7 75.7 7.8 60.6

A:

Q: The average annual income of 10 million people working in Manila is P100,000. The standard deviation…

A: It is given that, Population mean (μ) = 100,000 Population standard deviation (σ) = 2500 Sample size…

Q: An experiment involves rolling a six-sided die 480 times and recording the number of 3s. What is the…

A:

Q: If the probability of defective bolt is 0.1, find the mean and the standard deviation for the number…

A: Given the probability of a defective bolt is, 0.1 That is, p=0.1 The total number of bolts is, n=400…

Q: What is the Mean deviation of the numbers 0.5, 0.8, 1.1, 0.9 and 0.6

A: The data is given by 0.5, 0.8, 1.1, 0.9, 0.6 And the mean of these numbers is Mean = (0.5 + 0.8 +…

Q: ind the mean, variance and standard deviation rounded to two decimal places

A: The table shows the X values and its probabilities.

Q: What is the formula for calculating the standard deviation of a set of n observations?

A: Introduction The standard deviation is one of the measures of variability.

Q: The following are Wechsler's IQ scores of students who took the IQ test under a very noisy…

A: To find: The standard deviation of the population?

Q: The table below gives the percent of children under five considered to be underweight. Percent of…

A: Given data is percent of underweighted children Number of countries 16-21.45 22 21.45-26.9 4…

Q: There is one male baby seal for every nine female baby seals. What is the average number of male…

A: p=P(male baby seal ) = 1/9 n=5

Q: For a random sample of 10 men, the mean head circumference is x-bar= 57.3 cm and the sample standard…

A:

Q: In a population of ages where the mean age is 45 and the standard deviation is 5.25, what are the…

A: Given Mean=45 Standard deviations=5.25

Q: Define the term standard deviation?

A: Standard deviation: The standard deviation indicates by how much each observation differs from a…

Q: t is known that the average time required to complete a test exam is 80 minutes and the standard…

A: Given Information: Mean μ=80 min Standard deviation σ=10 min. To find how many minutes should the…

Q: TT Number Approved Frequency D The manager of the commercial mortgage department of a large bank has…

A:

Q: What is the standard deviation of the number of heads given 20 coins flips

A:

Q: In a study of 400 people, the mean age is 50 years and the standard deviation of age is 10 years.…

A:

Q: The population full-time equivalent number of students (FTES) at Lake Tahoe Community College for…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: In a survey of women in Canada, the mean height was 65 inches with a standard deviation of 3 inches.…

A:

Q: About 3 blue whales per month are killed by ship strikes in the Northern Pacific ocean.  What is the…

A:

Q: What is the Standard Deviation?

A: You want to know about standard deviation.We will deeply understand the meaning of standard…