Assume you have a normal distribution. What is the probability of obtaining a z less than the following?:             +1.645 +2.322 -0.620 -7.091 -0.950

Q: What is the probability of randomly selecting an income greaterthanX= $75,000 per year in a set of…

A:

Q: What is the two-tailed probability, or p-value for the following T score? t = 4.32 df = 8 .005 > p >…

A: We have given that,  degree of freedom (df) = 8 and t- score = 4.32 Then,  We will find two- tailed…

Q: Find the probability using the normal distribution: P(-2.07<z<1.66). Use The Standard Normal…

A: The probability is,

Q: For the standard normal variable Z, find the probability P(Z>2.86)P(Z>2.86) : P(Z>2.86)=

A: Given data for the standard normal variable Z  find the probability p(z&gt;2.86)=?

Q: Test B. Find the probabilities for each, using the standard normal distribution 1. P (0 0.52) 2 2.…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: The probability that a sample will have a z-score greater than is 0.35%. Z 0.0 0.01 0.02 0.03…

A: We have given that the probability is 0.35% = 0.0035.

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.38​%. A random sample of 32 of…

A: The probability of the mean childhood asthma prevalence for the sample is greater than 2.7​% is…

Q: Pharmacists at a research institution claim that a certain medicine is 74% effective on people with…

A: The mean is, The standard deviation is, The probability that would be effective in at most 56 of…

Q: ind the probability using the normal distribution:  P (z>2.33

A: standard normal distribution Z~N(0,1) P(z&gt;2.33) = ?

Q: The table below shows the probability distribution for X, the number of daily coffee breaks taken…

A: Solution-:Let, X=the number of daily coffee breaks taken per day by coffee drinkers.…

Q: tandard normal variable Z, find the probability P(Z>−0.34)P(Z>-0.34) : P(Z>−0.34)=P(Z>-0.34)=

A: given data,stanadard normal curve X~N(0,1)μ=0σ=1we have  to find out the given probability

Q: a. What is the distribution of X? X - N( 74 17 b. What is the distribution of ? -N 74 c. If a…

A: It is given that  Mean, μ = 74 Standard deviation, σ = 17 Sample size, n = 15 Z-Score, Z = ( X - μ…

Q: Choose the correct histogram below. OA. P(x) 0.5 0.4- 0.3 0.24 0.1- 0- C. P(x) 0.5- 0.4- 0.3- 0.24…

A: It is given that the Binomial distribution is P(X) = 6Cx*(0.2)x(0.8)6-x

Q: A normal distribution has μ = 80 and σ = 10.  What is the probability of randomly selecting a score…

A:

Q: The average number of miles (in thousands) that a car's tire will function before needing…

A: Given, Population mean is 64 Standard deviation is 15 sample size = 6

Q: Find each the following probabilities for a normal distribution a. p(–0.80 < z < 0.80) b. p(–0.50…

A:

Q: The mean height of women in a country​ (ages 20−​29) is 64.3 inches. A random sample of 75 women in…

A: From the provided information, Mean (µ) = 64.3 Standard deviation (σ) = 2.88 Let X be a random…

Q: Let the random variable Z have a standard normal distribution. Find each of the following…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: D. pl-H.20 <26-0.80

A:

Q: Find the probability P (Z &gt; 1.78) using the normal distribution.

A: P(Z&gt;1.78)=?

Q: Suppose the proportion of one-child families in which the child is a boy is 0.488. For a random…

A: From the provided information, The proportion of one-child families in which the child is a boy is…

Q: In the probability distribution to the right, the random variable X represents the number of hits a…

A: The random variable X represents the number of hits a baseball player obtained in a game over the…

Q: randomly selected to gather data in the hours spent per week edule of STATPRO. The table below shows…

A: Solution

Q: A normal distribution has a mean of u = 100 with a = 20. If one score is randomly selected from this…

A:

Q: Find the indicated probability using the standard normal distribution.   ​P(negative 1.66−1.66less…

A: The objective of this question is to find the probability that a value from a standard normal…

Q: Find the probability using the normal distribution:  P(1.55<z<1.67)

A: Z be a standard normal random variable. then Z ~ N(0,1)

Q: find the probability P(-1.23 < Z < 0.65) using the standard normal distribution

A: We will use Standard Normal table to find the required probability.

Q: Find the probability P(−2.18<z<1.95)P(−2.18<z<1.95), using the standard normal distribution. (Round…

A:

Q: Find the probability using the normal distribution. Use a TI-83 Plus/TI-84 Plus calculator and round…

A: From the provided information, P (z &lt; 2.13)

Q: Find the probability using the normal distribution:  P>z−1.28 . Use The Standard Normal…

A: Mean = 0 sigma =1  z-score = -1.28

Q: Find the probability using the normal distribution:  P(−2.29<z<0)

A: standard normal distribution Z~N(0,1) μ= 0σ = 1 P(-2.29&lt;Z&lt;0) = ?

Q: A normal distribution has a mean of u = 90 with o = 15. Find the following %3D %3D probabilities: a.…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: Find the probability P(-0.77 < = < -0.16) using the standard normal distribution.

A: GivenP(-0.77 &lt; z &lt; -0.16)