SIRUMENTS andoly selected Calculate the standard error of the mean. What is the probability that the sample mean will be less than $7.75? What is the probability that the sample mean will be less than $8.10? What is the probability that the sample mean will be more than $8.20? a. b. c. d. 30 2. The weight of NFL players has increased steadily, gaining up to 1.5 lbs. per year since 1942. According to ESPN, the average weight of a National Football League (NFL) player is now 252.8 Ibs. Assume the population standard deviation is 25 lbs. A random sample of 38 NFL players are selected. a. Calculate the standard error of the mean. b. What is the probability that the sample mean will be less than 246 lbs.? c. What is the probability that the sample mean will be more than 249 lbs.? d. What is the probability that the sample mean will be between 254 and 258 Ibs.? e. Identify the symmetrical interval that includes 95% of the sample means if the true population mean is 252.8 lbs. On Campus Research recently reported that 46% of college students aged 18-24 would spend their spring breaks relaxing at home. A sample of 155 college students was selected 3, Calculate the standard error of the proportion. what is the probability that less than 40% of the college students from the sample spent their spring breaks relaxing at home? what is the probability that more than 50% of the college students from the sample spent their spring breaks relaxing at home? what is the probability than between 48% and 58% of the college students from the sample spent their spring breaks relaxing at home? a. b, c. d, ording to the Bureau of Labor Statistics, the unemployment rate for workers aged 20 to 24 in February 2013

Q: Letter C is 59E, not 53E

A: We need to write (59E)twelve in base 10. (It is given that face value of E is 11)

Q: 25+2=

A: First we calculate 2^5.2^5= 2x2x2x2x2=32

Q: Number 43, please.

A: Given that  2+4+6---------+70  To fidn the sum

Q: Answer for number 28-30 please. Thank you!

A: A confidence interval is a type of estimate computed from the statistics of the observed data. This…

Q: Blank ÷ 4 = 6

A: Given: ÷4=6

Q: Number 28

A:

Q: ust do number 27.

A: 27) To sketch the contour map and graph of the function:

Q: Number 16

A:

Q: Please answer D

A: (a) Given that the percentage of stadiums have just built in the past 20 years is, P=15%=15/100=0.15…

Q: Could you answer letter D?

A: Se=0.057847, df=n-2=23

Q: 1 35. У cos n n=1 00 1 37. E In n n=1

A:

Q: Answer number 9

A: Data given  9 balls =5(Red)+4(green) balls  Two balls selected

Q: answer just letter d  , please

A: Solution:

Q: Simplify 3-8=

A: We have given to simplify  3-8=3-3-5 3-8=0-5 3-8=-5

Q: 3&4 please

A: (3) Given that, the normal distribution has a population mean is, μ=50 The expected value of the…

Q: — 33 > 5а + 2

A:

Q: The Cayley-Hamilton Theorem provides a method for calculating powers of a matrix. For example, if A…

A: The characteristic equation of matrix A is |A-λI|=0.Simplify the equation.…

Q: För éach graph, elco bn b. a. wok daimnyton

A: Note- Since you have asked multiple question, we will solve the first question for you. If you want…

Q: need to know how many antique coins he found?

A: From the above solution ,  Total coins = 180  Newer coins  = 135

Q: 20 B) x = 28 C) x = 20 D) x = 35 re the problem. Round answers to the nearest tenth if necessary.…

A:

Q: > 3 19

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.